| 摘要 |
PURPOSE:To provide the switch part of waterproof and wallproof structure with a simple constitution by fixing a bellows provided with elastic switches to a watch case by way of ring form wedges. CONSTITUTION:A bellows provided with elastic switch members 40... which pressure contact conductive members 41... to contact parts 71... via keys 10... is sealed and fixed to the upper case band 20 of a watch case by means of ring form inside and outside wedges 50, 60. |
