发明名称 Timepiece
摘要 To provide a thin type timepiece having antimagnetic performance and waterproofness. A case side wall includes therein a movement. A case back lid is fixed to the case side wall by raised portions. Further, the case back uses a two-layer clad material of a soft magnetic material and a non-magnetic material, and the soft magnetic material is disposed on the movement side of the case back lid.
申请公布号 US2004062151(A1) 申请公布日期 2004.04.01
申请号 US20030634454 申请日期 2003.08.05
申请人 MIYAMA SHIGERU 发明人 MIYAMA SHIGERU
分类号 G04B43/00;G04B37/08;G04B37/22;(IPC1-7):G04B37/00 主分类号 G04B43/00
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