Wrist watch with display bezel and other functional devices

Abstract

To provide a wrist watch that includes an intermediate part carrying a display bezel and a control bezel accessible for a user to operate, and rotatable in a first rotation direction and in a second rotation direction opposite with respect to the first rotation direction.SOLUTION: A control bezel 20 can drive a display bezel 10 only in a first rotation direction via a one-way driving mechanism of the display bezel under an action of a rotation motion toward a first rotation direction to be imparted to the control bezel by a user, and a wrist watch further includes another movable member in addition to the display bezel. The control bezel is further arranged so as to enable driving a movable member 30 under an action of a rotation motion toward a second rotation direction to be imparted to the control bezel by the user. The movable member is preferably arranged inside the wrist watch.SELECTED DRAWING: Figure 1

Description

Technical Field

[0001] The present invention relates to a wristwatch including an intermediate portion carrying a bidirectional control bezel and a display bezel arranged to be rotatably driven by the control bezel under the action of a rotational movement in a first rotational direction applied by a user to the control bezel only in the first rotational direction with respect to the intermediate portion.

[0002] The present invention particularly relates to a diver's watch.

Background Art

[0003] Many commercially available mechanical wristwatches or smartwatches have functions that can be activated or operated by turning a bezel (particularly a control bezel).

[0004] In a predetermined wristwatch such as a diver's watch, the combination of the position of the display bezel and the rest of the display portion informs the user of the remaining time before proceeding with a safety operation. As a result, the display bezel can only rotate in one direction to display either conservative information or accurate information. To ensure safety, an irreversible fastening is not necessarily possible, and there is a need to reconcile a high level of resistance to external stress with a reversible fastening that may be required to maintain or change the appearance of the object.

Summary of the Invention

[0005] An object of the present invention is to enable a user of a wristwatch, particularly a diver's watch, to operate a display bezel in a single rotational direction and activate or adjust a functional device inside the wristwatch by rotating a control bezel having magnetic transmission means (but not particularly limited thereto) without affecting the waterproofness of the wristwatch.

[0006] For this purpose, the present invention relates to a wristwatch including a display bezel and an intermediate portion carrying a control bezel coaxial with the display bezel and accessible to the user for operation. The control bezel is rotatable in a first rotation direction and a second rotation direction opposite to the first rotation direction, and is arranged such that the display bezel can be driven only in the first rotation direction via a one-way drive mechanism of the display bezel under the action of a rotational movement in the first rotation direction imparted to the control bezel by the user. According to the present invention, the wristwatch further includes other movable members in addition to the display bezel, and the control bezel is arranged to be able to drive the movable members under the action of a rotational movement in the second rotation direction imparted to the control bezel by the user.

[0007] According to an advantageous feature, the display bezel is arranged to be rotatable only in the first rotation direction with respect to the intermediate portion by a first click mechanism disposed between the intermediate portion and the display bezel.

[0008] According to another advantageous feature, the one-way drive mechanism for the display bezel is formed by a second click mechanism.

[0009] According to a main embodiment, the movable member is housed in the intermediate portion and is hermetically protected by the intermediate portion.

[0010] According to an advantageous embodiment, the control bezel is arranged to drive the movable member by non-contact transmission means formed by magnetic transmission means, and the control bezel or the movable member includes a plurality of magnets or at least one ferromagnetic substance cooperating with a plurality of magnets arranged to cooperate with the movable member or the control bezel respectively, and the movable member is allowed to be driven non-contact by the control bezel via the intermediate portion.

[0011] According to a preferred embodiment, the wristwatch is arranged such that the control bezel can drive the movable member only by the rotational movement in the second rotation direction.

[0012] In an embodiment combining the above-described advantageous embodiment and the preferred embodiment, the wristwatch includes a third click mechanism disposed between the movable member and a portion integrated with the intermediate portion, or between the movable member and the intermediate portion, so as to prevent the movable member from being driven during the rotational movement of the control bezel in the first rotational direction.

[0013] In a particular embodiment, the control bezel is arranged to drive the movable member by means of a one-way mechanical transmission means, which includes either a click mechanism or an upstream disengageable mechanism arranged upstream of the movable member, and the movable member is allowed to be driven only by the rotational movement of the control bezel in the second rotational direction.

Brief Description of the Drawings

[0014] The objects, advantages and features of the present invention will be better understood by reading the following detailed description given with reference to the accompanying drawings.

[0015]

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[0016] The present invention relates to a timepiece, more particularly to a wristwatch 100, and even more particularly to a diver's watch. This wristwatch 100 includes an intermediate portion 50. This intermediate portion 50 carries a display bezel 10 that is rotatable in at least a single rotational direction S1 counterclockwise with respect to the intermediate portion 50.

[0017] The wristwatch 100 includes a control bezel 20. The control bezel 20 is coaxially arranged with the display bezel 10 and is accessible to the user for operation. This control bezel 20 is movable in a first rotational direction S1 and a second rotational direction S2 opposite to the first rotational direction S1, and under the action of a rotational movement in the first rotational direction S1 imparted to the control bezel 20 by the user, it is arranged to drive the display bezel 10 only in the first rotational direction via a one-way drive mechanism of the display bezel 10. The wristwatch 100 further includes another movable member 30 in addition to the display bezel 10, and the control bezel 20 is arranged to be able to drive this movable member 30 under the action of a rotational movement in the second rotational direction S2 imparted to the control bezel 20 by the user.

[0018] Advantageously, the display bezel 10 is arranged to be rotatable only in the first rotational direction S1 with respect to the intermediate portion 50 by a first click mechanism arranged between this intermediate portion 50 and the display bezel. The display bezel is held in an axial predetermined position by a circular spring 509.

[0019] According to another advantageous feature, the one-way drive mechanism of the display bezel 10 is formed by a second click mechanism arranged between the control bezel and the display bezel.

[0020] Preferably, the movable member 30 is housed inside the intermediate portion 50 and is hermetically protected by the intermediate portion 50.

[0021] Specifically, the wristwatch 100 includes a movable member 30 coaxial with the control bezel 20 and the display bezel 10 so as to be housed inside the intermediate portion 50 and thus hermetically protected by the intermediate portion 50. The movable member 30 is movable via a rotational movement in one direction of the second rotational direction. Further, the control bezel 20 is arranged to drive the movable member 30 in the second rotational direction. Specifically, in the alternative embodiment shown in FIG. 1, the movable member 30 is an inner ring coaxial with the control bezel 20 and the display bezel 10.

[0022] Specifically, as seen from FIGS. 1 and 7 to 9, the control bezel 20 is externally coaxial with the display bezel 10 and is arranged to protect the display bezel 10 from the side.

[0023] The control bezel 20 is arranged to drive the movable member 30 via transmission means which are mechanical transmission means or non-contact transmission means.

[0024] More specifically, as particularly seen from FIGS. 1 and 6 to 9, the control bezel 20 is arranged to drive the movable member 30 by non-contact transmission means formed by magnetic transmission means. The control bezel 20 or the movable member 30 includes a plurality of magnets or a plurality of magnets arranged to cooperate with at least one ferromagnetic substance included in the movable member 30 or in the control bezel 20 respectively, and the movable member 30 is driven non-contact by the control bezel 20 via the intermediate portion 50. These magnetic transmission means are advantageous in ensuring the waterproofness of the wristwatch.

[0025] Specifically, the movable member 30 includes at least one external ferromagnetic substance or a plurality of external magnets 28 included in the control bezel 20 and internal magnets 38 separated by the intermediate portion 50.

[0026] Specifically, the control bezel 20 is arranged to drive the movable member 30 at least in a second rotational direction under the influence of magnetic cooperation between the movable member 30 and the control bezel 20, specifically under the influence of magnetic cooperation between an internal magnet 38 and an external magnet 28 when both the movable member 30 and the control bezel 20 include magnets, as shown in detail by FIGS. 1 to 4 and FIGS. 7 to 12. That is, the wristwatch 100 includes a control bezel 20 having a magnetic transmission for an internal movable member and a double-click system for the unidirectional movability of the display bezel and its driving in its first rotational direction.

[0027] That is, in this embodiment, the present invention is based on the concept of a wristwatch control bezel 20 that allows movement to be transmitted magnetically inside the wristwatch 100, particularly with rotation in both rotational directions or only in one direction. This ensures that when the user operates the control bezel 20 in the clockwise direction (second rotational direction), the display of the display bezel 10 is not disturbed.

[0028] In a specific embodiment shown by the figures, as seen in FIG. 1, when the user wishes to adjust the display bezel 10 carrying or including the first click 15, the user operates the control bezel 20 in a first counterclockwise direction S1. The control bezel 20, i.e., the external bezel 20, carries or includes a second notch 21 that enables the rotation of the control bezel 20 to be transmitted to the display bezel 10.

[0029] In this specification, "including" or "comprising" should be understood to mean an integral component such as a bezel with a specific outer shape machined like teeth, and "carrying" should be understood to mean a component that carries other components such as a bezel carrying an attached toothed ring.

[0030] The middle part 50 carries or includes a middle click 55. The middle click 55 is arranged to cooperate with a first notch 11 carried or included in the display bezel 10. This middle click 55 is opposite to the first click 15, slides with respect to the middle part 50, and can rotate the display bezel 10 in the first rotation direction. Since the control bezel 20 is integrated with a magnet, it allows magnetic transmission with the movable member 30 and can operate the functions inside the wristwatch 100 without affecting the waterproofness of the wristwatch 100.

[0031] When the user wants to operate the functions, especially underwater, without adjusting the display bezel 10, the user can turn the control bezel 20 clockwise, and the first click 15 can be in a sliding state to continue the rotation of the control bezel 20. The middle click 55 (mounted in the opposite direction to the first click 15) blocks the rotation of the display bezel 10 with respect to the middle part 50, and thus prevents the display from being disrupted while rotating the control bezel 20 clockwise (the second rotation direction). This operation can be used, for example, as a trigger for a light function, the start of a repeater, or a trigger for other functions included in the wristwatch.

[0032] Various arrangements are available for a plurality of magnetic substances.

[0033] In a first arrangement visible in FIGS. 6 and 7, the movable member 30 is arranged such that on one hand, the internal magnet 38 and on the other hand, the external magnet 28 or at least one external ferromagnetic substance are arranged in two rings that are substantially coplanar and concentric with respect to a common rotation axis D about which the control bezel 20 and the movable member 30 can rotate.

[0034] That is, on the one hand, the internal magnet 38 and, on the other hand, the external magnet 28 or at least one external ferromagnetic material are arranged in two substantially coplanar rings that are coaxial with respect to the common rotation axis D of the control bezel 20 and the display bezel 10. In the specific non-limiting cases of FIGS. 6 and 7, the axis D is also the rotation axis of the movable member 30. This radial configuration, in which the magnetic field lines are perpendicular to the rotation axis D of the bezel, is advantageous because the friction is compensated by the magnets located on opposite sides of the outer circumferences of the inner bezel and the outer bezel. FIG. 2 shows the subassembly 300. The subassembly 300 is formed by a movable member 30 provided with a lower magnet 38, a magnetic field closing plate 40, and a notched ring 32 with which the internal click 31 cooperates.

[0035] In a second arrangement visible in FIGS. 1, 8, and 9, the movable member 30 is rotatably arranged, and on the one hand, the internal magnet 38 and, on the other hand, the external magnet 28 or at least one external ferromagnetic material are arranged in two rings stacked parallel to the direction of the common rotation axis D about which the control bezel 20 and the movable member 30 can rotate. In the specific and non-limiting cases of FIGS. 1, 8, and 9, the axis D is also the rotation axis of the movable member 30.

[0036] The external magnet 28 of the control bezel 20 may be present above the internal magnet 38 of the movable member 30, in which case the magnetic field lines are parallel to the rotation axis D of the bezel. However, the friction between the movable member 30 and the intermediate part 50 and between the control bezel 20 and the intermediate part 50 increases with the number of magnets and can be made of the same order as the magnetic force.

[0037] In particular, as seen in FIG. 4, in the same ring of magnets (in this case the ring carrying the external magnets 28), these magnets have alternating polarities 28A and 28B. It goes without saying that the internal magnets 38 are also arranged in a similar configuration. This results in magnetic notches.

[0038] For example, in the case of a diver's watch, by using 28 magnets per bezel (cylinders with a diameter of 1.3 mm and a height of 0.85 mm) with an air gap of 0.45 mm over a diameter of approximately 38 mm, and magnetic field closing plates 40, 41 made of AFK sheet metal with a thickness of 0.2 mm, it is allowed to transmit a torque of 32 mNm between the control bezel 20 and the movable member 30. This is sufficient to trigger the watch function completely safely.

[0039] In a specific case where the control bezel 20 or the movable member 30 contains at least one ferromagnetic substance, an advantageous arrangement (not shown) relates to a movable member containing at least one ferromagnetic substance in the form of a toothed ring. The number of teeth of the toothed ring is equal to the number of magnetic pitches contained in each of the movable member 30 or the control bezel 20, or an integer multiple of the number of such magnetic pitches.

[0040] Specifically, the control bezel 20 contains at least one ferromagnetic substance in the form of such a toothed ring, and the number of its teeth is equal to the number of magnetic pitches contained in the movable member 30, or an integer multiple of the number of such pitches.

[0041] Advantageously, the wristwatch 100 is arranged such that the control bezel 20 can drive the movable member 30 only by a rotational movement in the second rotational direction.

[0042] More specifically, in an alternative embodiment where the control bezel 20 is arranged to drive the movable member 30 via a non-contact transmission means formed by magnetic transmission means, and the wristwatch 100 is arranged such that the control bezel 20 can drive the movable member 30 only by a rotational movement in the second rotational direction (clockwise), the wristwatch 100 includes a third click mechanism arranged between the movable member 30 and a part integrated with the intermediate part 50, or between the movable member 30 and the intermediate part 50. This prevents the movable member 30 from being driven during the rotational movement of the control bezel 20 in the first rotational direction.

[0043] Specifically, the movable member 30 is movable in a single rotational direction, i.e., the second rotational direction, and includes a notch or a click arranged to cooperate with a click or a notch carried or included by the middle portion 50 or the plate 60 of the wristwatch 100. These notches and clicks constitute this third click mechanism. More specifically, the movable member 30 includes a notch arranged to cooperate with an internal click 31 carried or included by the middle portion 50 or the plate 60 of the wristwatch 100.

[0044] In particular, regardless of the nature of the transmission means between the control bezel 20 and the movable member 30, the control bezel 20 is arranged to drive the movable member 30 by one-way mechanical transmission means. This mechanical transmission means includes either a click mechanism or an upstream disengageable mechanism 70 arranged upstream of the movable member 30, and the movable member 30 is allowed to be driven only by the rotational movement of the control bezel 20 in the second rotational direction S2. Further, more specifically, as seen in FIG. 13, the control bezel 20 rotating about the rotation axis D coaxially includes an internally toothed transmission wheel 29. The internally toothed transmission wheel 29 is arranged to drive the movable member 30 by an upstream disengageable mechanism 70 arranged for the one-way drive of the offset wheel 72. The offset wheel 72 constitutes or drives the movable member 30, is offset with respect to the rotation axis D under the action of the pinion 73, and the pinion 73 is also offset with respect to the rotation axis D, permanently engages with the internally toothed transmission wheel 29, and is held while being guided in an oval groove 76 formed in the fixed bridge 71. This oval groove is coaxial with the rotation axis D between the outermost stop positions 76A and 76B. The pinion 73 is arranged to engage with the offset wheel 72 when the control bezel 20 rotates in the second rotational direction and to be disengaged from the offset wheel 72 when the control bezel 20 rotates in the first rotational direction. FIGS. 14 and 15 show the details of this alternative embodiment. This has a specific embodiment in which the offset wheel 72 with a mechanical transmission is housed in the upper space between the crystal of the wristwatch and the flat surface of the intermediate part 50 or the plate 60 included in the wristwatch 100. The offset wheel 72 is arranged to drive a lower wheel 39 arranged under this flat section on the opposite side of the offset wheel 72. The offset wheel 72 is arranged to pivot on the intermediate part 50 or the plate 60 and can be driven by the pinion 73.The offset wheel 72 is coaxially connected along the axis of rotation D2 of the offset wheel 72 to this lower wheel 39 housed in the sealed chamber of the watch by means of a mandrel 35 sealed by at least one seal 58. This assembly is produced by the square 36.

[0045] In particular, in the various alternative embodiments shown in FIGS. 1, 2 and 6 to 12, the movable member 30 is a ring inside the intermediate part 50, and this ring is coaxial with the control bezel 20 and the display bezel 10.

[0046] When the display bezel 10 is arranged to be rotatable only in a first rotational direction S1 with respect to the intermediate part 50 via a first click mechanism arranged between the intermediate part 50 and the display bezel 10, advantageously, the display bezel 10 includes notches or clicks arranged to cooperate with each of the clicks or notches carried or included by the intermediate part 50. These notches or clicks constitute this first click mechanism and are arranged together in combination to prevent rotation of the display bezel 10 in a second rotational direction. Even more specifically, as can be seen in FIGS. 1, 7, 8 and 9, the display bezel 10 includes a first front notch 11. The front notch 11 is arranged to cooperate with a front intermediate click 55 carried or included by the intermediate part 50.

[0047] When the one-way drive mechanism of the display bezel 10 is formed by a second click mechanism, advantageously, the control bezel 20 includes notches or clicks arranged to cooperate with each of the clicks or notches included in the display bezel 10. These notches and clicks constitute the second click mechanism and are arranged together in combination to impose a single driving direction on the display bezel 10 by the control bezel 20. Specifically, the control bezel 20 includes a second notch 21. The second notch 21 is arranged to cooperate with a first front click 15 carried or included in the display bezel 10. The first front click 15 includes a catch 150. Even more specifically, this second notch 21 is arranged to cooperate with the first click 15 in a direction opposite to that of the intermediate click 55 of the first click mechanism. This intermediate click 55 includes a catch 550.

[0048] In other alternative embodiments, regardless of the nature of the transmission means between the control bezel 20 and the movable member 30, the control bezel 20 is arranged to drive the movable member 30 via a bidirectional mechanical transmission means. Further, the movable member 30 rotatably arranged about the rotation axis D is arranged to be able to operate and / or control a downstream mechanical device arranged downstream of the movable member 30 in the wristwatch 100 via a downstream disconnection mechanism 700 or a downstream click mechanism. The downstream disconnection mechanism 700 or the downstream click mechanism is arranged such that the movable member 30 can operate and / or control the downstream mechanical device only by the rotational movement in the second rotational direction imparted to the control bezel 20 by the user.

[0049] In yet another alternative embodiment, in the case of the non-contact transmission means between the control bezel 20 and the movable member 30, the movable member 30 rotatably disposed about the rotation axis D is arranged to be able to operate and / or control a downstream mechanical device disposed downstream of the movable member 30 in the wristwatch 100 via a downstream disconnection mechanism 700 or a downstream click mechanism. The downstream disconnection mechanism 700 or the downstream click mechanism is arranged such that the movable member can operate and / or control this downstream mechanical device only by a rotational movement in a second rotational direction imparted to the control bezel 20 by the user.

[0050] In either of these two alternative embodiments in which the movable member 30 is arranged to be able to operate and / or control a downstream mechanical device via a downstream connection release mechanism 700 or a downstream click mechanism, advantageously, this downstream mechanical device is arranged to be operated and / or controlled by the movable member 30 including the internally toothed transmission wheel 29 via a downstream connection release mechanism 700 including an offset wheel 72 and a pinion 73 both of which are offset with respect to the axis of rotation D. The movable pinion 73 of the axis of rotation D3 is permanently engaged with the internally toothed transmission wheel 29 and is guided and held in an oval groove 76 included in the fixed bridge 71. This oval groove exists coaxially with the axis of rotation D between the stop positions 76A and 76B at the outermost ends. The pinion 73 is arranged to engage with the offset wheel 72 rotatable about the fixed axis of rotation D2 when the control bezel 20 rotates in the second rotational direction and to be disengaged from the offset wheel 72 when the control bezel 20 rotates in the first rotational direction. FIGS. 10 to 12 show such an alternative embodiment. The movable member 30 shown as comprising a ring of the lower magnet 38 and the internally toothed transmission wheel 29 cooperates with a downstream connection release mechanism 700 that blocks or drives the offset wheel 72 offset along the axis D2 with respect to the common axis of rotation D of the control bezel 20 and the display bezel 10. This offset wheel 72 is guided between the plate 60 and a bridge 71 fastened to this plate 60. The pinion 73 includes at least one trunion 75. This trunion 75 is movable between the stop positions 76A and 76B at the outermost ends in the oval aperture 76 of this bridge 71. This pinion 73 cooperates with the toothed transmission wheel 29 and is biased by a strip spring 74 embedded in the setting 77 of the plate 60 to return toward the offset wheel. This spring 74 includes fingers that cooperate with the pinion 73 to hold the pinion 73 in its angular position about its axis of rotation D3. Its position is movable along an arc of a circle. This pinion 73 is shown in FIGS. 10 and 11.The trunion 75 abuts against the end 76A of the oval groove 76 and is in a position engaging with the offset wheel 72, and controls other functions inside the wristwatch itself. FIG. 12 shows a state where the trunion 75 of the pinion 73 abuts against the other end 76B of the oval groove 76 in a position disengaged from the offset wheel 72.

[0051] As can be seen in FIG. 11, when the movable member 30 rotates in the second direction S2, the pinion 73 rotates in the direction S4 corresponding to the second direction, and the offset wheel driven thereby rotates in the direction S3 corresponding to the first direction. FIG. 12 shows a case opposite to FIG. 11, indicating the disengagement between the pinion 73 and the offset wheel 72. When the movable member 30 rotates in the first direction S1, the pinion 73 rotates in the direction S5 corresponding to the first direction and moves away from the offset wheel via the motion A, so the unpowered offset wheel 72 remains stationary.

[0052] In an alternative embodiment, the waterproofness can be compensated by at least one external seal 59 disposed between the intermediate part 50 and the control bezel 20.

[0053] Specifically, in the alternative embodiment shown in FIGS. 1 to 12, the movable member 30 is an inner ring coaxially arranged with the control bezel 20 and the display bezel 10 along the rotation axis D.

[0054] Specifically, the first rotation direction is counterclockwise with respect to the intermediate part 50 as viewed by the user from the display side.

[0055] In particular, the wristwatch 100 is a diver's watch.

[0056] That is, according to the present invention, on the one hand, it becomes possible to control the display bezel, and on the other hand, at least one internal component of the wristwatch arranged in the waterproof compartment, while avoiding waterproofing problems that are difficult to overcome with push buttons or control levers. Furthermore, by means of the operation via the control bezel, it is allowed to use the wristwatch completely safely even under difficult conditions such as an underwater environment, or when the user has to wear gloves or special suits to work in a protected or dangerous environment.

Claims

1. A wristwatch (100) comprising an intermediate part (50) carrying a display bezel (10) and a control bezel (20) coaxial with said display bezel (10) and accessible for manipulation by a user, the control bezel (20) is rotatable in a first rotational direction and in a second rotational direction opposite to the first rotational direction and is arranged to drive the display bezel (10) only in the first rotational direction via a unidirectional drive mechanism of the display bezel under the effect of a rotational movement in the first rotational direction imparted to the control bezel (20) by a user, The watch (100) further includes another movable member in addition to the display bezel, and the control bezel (20) is arranged so as to be able to drive the movable member (30) under the action of a rotational movement in the second rotational direction imparted to the control bezel (20) by a user.

2. The wristwatch (100) of claim 1, characterized in that the display bezel is arranged so as to be rotatable only in the first rotational direction relative to the intermediate portion (50) by a first click mechanism arranged between the intermediate portion and the display bezel.

3. 2. Wristwatch (100) according to claim 1, characterized in that the unidirectional drive mechanism of the display bezel is formed by a second click mechanism.

4. 2. Wristwatch (100) according to claim 1, characterized in that said movable member (30) is housed within and hermetically protected by said intermediate part (50).

5. A watch (100) according to claim 4, characterized in that the control bezel (20) is arranged to drive the movable member (30) by means of contactless transmission means formed by magnetic transmission means, the control bezel (20) or the movable member (30) comprising a plurality of magnets arranged to cooperate with a plurality of magnets or at least one ferromagnetic substance comprised in the movable member or, respectively, in the control bezel (20), allowing the movable member to be driven contactlessly by the control bezel via the intermediate part.

6. 6. A wristwatch (100) as claimed in claim 5, characterized in that the movable member (30) includes a plurality of internal magnets (38) separated by the intermediate portion (50) from at least one external ferromagnetic material or a plurality of external magnets (28) included in the control bezel.

7. A watch (100) according to claim 5, characterized in that the movable member (30) is rotatably arranged and the internal magnet (38) on the one hand and the external magnet (28) or the at least one external ferromagnetic substance on the other hand are arranged in two rings that are substantially coplanar and concentric with respect to a common axis of rotation (D) about which the control bezel (20) and the movable member (30) can rotate.

8. A wristwatch (100) according to claim 5, characterized in that the movable member (30) is rotatably arranged and the internal magnet (38) on the one hand and the external magnet (28) or the at least one external ferromagnetic substance on the other hand are arranged in two rings stacked parallel to the direction of a common axis of rotation (D) about which the control bezel (20) and the movable member (30) can rotate.

9. A watch (100) according to one of claims 5 to 8, characterized in that the control bezel (20) comprises at least one ferromagnetic material in the form of a toothed ring, the number of teeth of which is equal to the number of magnetic pitches contained in the movable member (30) or an integer multiple of the number of said pitches.

10. A watch (100) according to one of claims 5 to 8, characterized in that the watch is arranged so that the control bezel (20) is capable of driving the movable member (30) only by the rotational movement in the second rotational direction.

11. The watch according to claim 10, characterized in that the watch includes a third click mechanism arranged between the movable member and a part integral with the intermediate part, or between the movable member and the intermediate part, so as to prevent the movable member (30) from being driven during rotational movement of the control bezel (20) in the first rotational direction.

12. A watch (100) according to any one of claims 1 to 4, characterized in that the control bezel (20) is arranged to drive the movable member (30) by a unidirectional mechanical transmission means, the unidirectional mechanical transmission means including either a click mechanism or an upstream disconnectable mechanism (70) arranged upstream of the movable member (30) so as to allow the movable member to be driven only by the rotational movement of the control bezel in the second rotational direction.

13. The control bezel (20), rotating about a rotation axis (D), includes coaxially an internally toothed transmission wheel (29) arranged to drive the movable member (30) by means of an upstream disconnectable mechanism (70) arranged for one-way driving of an offset wheel (72), the offset wheel (72) constituting or driving the movable member (30) and offset with respect to the rotation axis (D) under the action of a pinion (73), the pinion (73) also offset with respect to the rotation axis (D), and the internally toothed transmission wheel (29) is arranged for one-way driving of an offset wheel (72) which constitutes or drives the movable member (30) and is offset with respect to the rotation axis (D) under the action of a pinion (73), the pinion (73) being offset with respect to the rotation axis (D), 13. A watch (100) according to claim 12, characterized in that the pinion (73) is permanently engaged with the offset wheel (72) of the control bezel (20) and is held guided in an oblong groove (76) made in a fixed bridge (71), said oblong groove being coaxial with the axis of rotation (D) between the extreme stop positions (76A; 76B), and that the pinion (73) is arranged in such a way that it engages with the offset wheel (72) when the control bezel (20) rotates in the second direction of rotation and disengages from the offset wheel (72) when the control bezel (20) rotates in the first direction of rotation.

14. Wristwatch (100) according to one of the preceding claims, characterized in that the movable member (30) is a ring in the intermediate part and coaxial with the control bezel (20) and with the display bezel (10).

15. 3. The watch (100) of claim 2, characterized in that the display bezel (10) includes notches or clicks arranged to cooperate with clicks or notches, respectively, carried or included by the intermediate portion (50), the notches and clicks constituting the first mechanism and arranged together in combination to prevent rotation of the display bezel (10) in the second single rotational direction.

16. 4. The watch (100) of claim 3, wherein the control bezel (20) includes notches or clicks arranged to cooperate with respective clicks or notches included in the display bezel (10), the notches and clicks constituting the second click mechanism and being combined and arranged together to impose a single driving direction on the display bezel (10) by the control bezel (20).

17. A watch (100) according to one of claims 1 to 4, characterized in that the control bezel (20) is arranged to drive the movable member (30) by a bidirectional mechanical transmission means, and the movable member (30), arranged rotatably about a rotation axis (D), is arranged to operate and / or control a downstream mechanical device arranged downstream of the movable member (30) in the watch (100) via a downstream disconnectable mechanism (700) or a downstream click mechanism, and the downstream disconnectable mechanism (700) or downstream click mechanism is arranged so that the movable member can operate and / or control the downstream mechanical device only by a rotational movement in the second rotational direction applied to the control bezel (20) by a user.

18. A watch (100) as claimed in any one of claims 5 to 8, characterized in that the movable member (30), which is rotatably arranged around a rotation axis (D), is arranged so as to be able to operate and / or control a downstream mechanical device arranged downstream of the movable member (30) in the watch (100) via a downstream disconnectable mechanism (700) or a downstream click mechanism, and the downstream disconnectable mechanism (700) or downstream click mechanism is arranged so that the movable member can operate and / or control the downstream mechanical device only by the rotational movement in the second rotational direction applied to the control bezel (20) by a user.

19. 18. Wristwatch (100) according to claim 17, characterized in that the downstream mechanical device is arranged to be operated and / or controlled by the movable member (30) comprising an internally toothed transmission wheel (29) via the downstream releasable mechanism (700) comprising a wheel (72) and a pinion (73), the wheel (72) and the pinion (73) being both offset with respect to the axis of rotation (D), the pinion being permanently engaged with the internally toothed transmission wheel and being guided and held in an oblong groove (76) comprised in a fixed bridge (71), the oblong groove being coaxial with the axis of rotation (D) between its extreme stop positions (76A; 76B), the pinion (73) being arranged to engage with the offset wheel (72) when the control bezel (20) rotates in the second direction of rotation and to disengage from the offset wheel when the control bezel rotates in the first direction of rotation.

20. 9. Wristwatch (100) according to one of the claims 1 to 8, characterized in that the control bezel (20) is externally coaxial with the display bezel (10) and is arranged so as to protect the latter laterally.

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