A case cap retainer and a watch having a case cap

The removable case cap system with a reciprocal locking mechanism addresses the limitations of traditional watch designs by allowing user-friendly customization and exchange of case caps, enhancing personalization and convenience.

EP4718171A1Pending Publication Date: 2026-04-01HAMPDEN CORP
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Patent Information

Authority / Receiving Office
EP · EP
Patent Type
Applications
Current Assignee / Owner
Filing Date
2025-01-31
Publication Date
2026-04-01

AI Technical Summary

Technical Problem

Existing watch designs lack versatility in personalization and require professional assistance for case cap exchange, limiting user customization and convenience.

Method used

A removable case cap system with a case cap retainer allows users to exchange case caps without tools, featuring a reciprocal locking mechanism for secure attachment and detachment.

Benefits of technology

Enables user-friendly customization of watch engravings and materials, enhancing personalization without needing professional service.

✦ Generated by Eureka AI based on patent content.

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Abstract

The disclosure provides an example watch. The watch includes (a) a housing having a first face and a second face and a cavity extending therebetween, where the first face includes a first bezel coupled to a first transparent watch crystal, (b) a disc disposed within the cavity between the first face and the second face and coupled to the housing, where the disc comprises a watch face for indicating time, and (c) a case cap removably coupled to the second face of the housing, where the case cap includes a casing having a first side configured to mate with the second face of the housing and a second side configured to be engraved.
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Citation Information

Patent Citations

  • Casing subassembly for a timepiece, watch or jewel

    EP3796104A1

  • waterproof watch box

    CH338405A

  • Watch-case assembled by the bezel

    EP1241541B1

  • Device for adjusting the alignment of a back cover screwed onto the middle part of a watchcase with respect to a 12 o'clock-6 o'clock axis

    US6761479B2