| 摘要 |
A connection structure for a watchcase and a watch chain comprises a through groove on each side of the watchcase longitudinally, a through hole vertical to a side edge of the groove, a flange disposed on each side of the watch chain and engaged with the groove for connecting with the watchcase, a slot in the flange at a position corresponding to the through hole, in which a locking device is provided. The watchcase can be attached with and detached from the watch chain quickly through the connection structure without any special tool. <IMAGE>
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