Clockwork Cases TRIZ Cases

A sleeve retractor lets standard spring bars attach and detach watch straps without tools, improving retrofit compatibility and ease of use.

A shape-memory alloy rod locks a bezel into ceramic or composite recesses, enabling secure crimping without substrate deformation or damage.

A shape-memory alloy ring locks decorative settings into blind holes in brittle substrates, avoiding weak adhesives and back-side access.

A sleeve-mounted retractor simplifies wrist strap changes by biasing a spring bar for tool-free coupling and retrofit use across multiple bar types.

A model-specific transport ring offsets each watch movement so different calibers share the same crown position for handling, display, and testing.

Elastic fixing members lock outward projection sections to secure a watch exterior member without case damage and allow easy swapping.

A reversible back lets the watch head assemble from the top and open from the bottom for easier battery and movement access.

A watch head with reversible fastening allows top assembly and bottom disassembly, speeding battery replacement and easing maintenance.

Separate clamping and non-contact casing rings rigidly compress a watch movement to reduce play, simplify assembly, and improve shock resistance.

A two-circle casing and separate clamping element remove play, absorb tolerance variation, and improve shock resistance in timepiece movement mounting.

A standardized calotte ring offsets different watch calibres so control members align consistently for precise handling and inspection.

A network of articulated elements and an elastic support lets a watch case deform for tactile interaction while retaining strength and shape recovery.

A reciprocal retainer lets users swap engraved watch case caps without tools while keeping the case cap securely attached.

A hollow continuous sealing ring boosts screen contact area to maintain waterproofing while avoiding the cost and complexity of two sealing layers.

Recycled elastomer powder cuts cost and environmental burden in watch and jewelry components while preserving mechanical properties, UV resistance, and skin safety.

A recessed case back and wedge-shaped tool let watchmakers separate the watch case without visible edge marks or extra repair work.

An integrated ring combines elastic sealing with positioning features to keep a watch case back watertight, aligned, and secure without bulky components.

Dual elastomeric annular pieces cushion impacts on a watch movement while reducing assembly complexity and stem stress.

A removable retainer lets users exchange engraved watch case caps without tools while keeping the cap securely attached and exposing the watch movement.

Matching the fluid and fixation-element refractive indices hides structural supports while restrained movement creates changing visual effects.

A casing-ring position pin guides a screwed watch back along the 12–6 axis, aligning inscriptions without manual adjustment.

A grooved watch case back uses sliding pins, seal compression, and torque bumps to prevent accidental disassembly while preserving watertight assembly.

Controlled copper, silver, and palladium proportions help an 18-carat gold alloy retain its bronze hue while resisting tarnish in jewelry and timepieces.

A pivoting cover and press-activated latch protect a smartwatch from bumps and scratches while simplifying installation and screen viewing.

An articulated lever and free-perimeter plate amplify timepiece sound while limiting deformation, damping, and parasitic noise.

A layered timepiece case places a softer exterior member beneath a rigid outer member to absorb impacts and protect internal modules.

This timepiece case isolates reflected laser light at the flange, protecting module surfaces for accurate positioning and sealing.

This case uses a polymer indexing ring with catches to align the watch back, resist rotation, and maintain water-resistance.

A pivoting lever drives a free-moving plate like a piston, amplifying sound while avoiding membrane deformation and damping.

Eliminating coupling agents prevents thermal degradation and discoloration while maintaining cohesion through chemical bonding.

A mechanical watch integrates a pedometer mechanism using a mobile mass to drive a ratchet for activity tracking.

A nickel-free grey gold alloy achieves whiteness and brightness through optimized palladium and rhodium content.

A crown guide supports the watch crown head during axial movement to maintain stable mesh alignment.

An armor case timepiece relocates bezel screws to the case band thickness, enabling a thinner edge member without compromising gasket exchangeability.

Transparent liquid fills cavity to match refractive index of pivot systems, making supports invisible while decorative elements float freely.

Side-mounted operation bodies disengage stoppers from winding stems, preserving case thinness and dial size without thickening the bottom wall.

Intermediate rocker decouples pusher from control lever via rotary motion, preventing unintentional activation by external pressure at depth.

Gold alloy composition prevents carbide formation during polishing to maintain surface quality in jewelry applications.

A clock case uses interlocking fins to create a stable structure from flat panels.

Integrated pillars link the movement plate to the case, transmitting vibrations directly to improve sound volume without complex assembly.

Segmenting seals into I-shaped and smaller radial profiles resolves the contradiction between structural simplicity and deep-sea water resistance.

Segmented spring convex parts engage the case band groove, enabling edge member detachment without compromising structural integrity.

Pivoting removable lugs with internal elastic locking preserve the watch case's aesthetic shape while ensuring reliable stability during 180-degree rotation.

A wristwatch case merges the exterior member and fastening functions into a single unit to reduce component count.

A thermoplastic resin composition incorporating surface-treated metal oxide particles to achieve high thermal conductivity and mass.

Segmented projecting members allow independent material selection for the middle part while retaining robust structural integrity.

Annular cam rotates to push rods, unlocking bracelet bars from horn housings without tools or complex box mechanisms.

Segmented winding stem pipe and replaceable ring assembly maintain watertightness during crown replacement.

Palladium and platinum additions stabilize the gold alloy against chloride and sulphide exposure, preserving 5N color standards.

A dual-spring degassing valve system manages internal pressure in diver watches through controlled gas discharge.