Watch case provided with an annular ring and wristwatch and kit for assembling a wristwatch comprising same

A watch case for a wristwatch including a case middle having a central axis, a case back, a bracelet attachment device removably connected to the case middle, and an annular ring rotatably mounted about the central axis of the case middle, the annular ring being provided with mechanical locking device capable, when the annular ring is in a locking position, of cooperating with complementary engagement device arranged on the bracelet attachment device, in order to secure the attachment device to the case middle. The annular ring is held between the case middle and the case back and the mechanical locking device include at least one resilient member, the member being elastically engaged with the complementary engagement device when the annular ring is in the locking position. 本发明涉及一种用于手表的表壳，该表壳包括具有中心轴线的表壳中间部件、表壳后盖、可移除地连接到表壳中间部件的表带连接装置、以及围绕表壳中间部件的中心轴线可旋转地安装的环形圈，该环形圈设置有机械锁定装置，当环形圈处于锁定位置时，该机械锁定装置能够与设置在表带连接装置上的互补接合装置协作，以便将表带连接装置固定到表壳中间部件。根据本发明，环形圈被保持在表壳中间部件和表壳后盖之间，并且机械锁定装置包括至少一个弹性构件，当环形圈处于锁定位置时，所述构件与互补接合装置弹性接合。