A timepiece, in particular a pocket watch, that includes a case delimited by a middle, the timepiece further including at least one cover covering a device for displaying information, as well as a device for controlling the opening of the at least one cover, this control device including a ring pendant and a command transmission member, the ring pendant arranged such that it is pushed in a rectilinear manner a first time towards the middle into a first abutment position, then such that it is rotated in a first direction into a second abutment position, then such that it is pushed in a rectilinear manner a second time towards the middle so as to cause the cover to open by an action on the command transmission member.

A timepiece, in particular a pocket watch, that includes a case delimited by a middle, the timepiece further including at least one cover covering a device for displaying information, as well as a device for controlling the opening of the at least one cover, this control device including a ring pendant and a command transmission member, the ring pendant arranged such that it is pushed in a rectilinear manner a first time towards the middle into a first abutment position, then such that it is rotated in a first direction into a second abutment position, then such that it is pushed in a rectilinear manner a second time towards the middle so as to cause the cover to open by an action on the command transmission member.

Provided is a device for fastening and unfastening a watch, in which a plurality of bezels is provided and a fastening means is provided between the bezels, so that the watch is easily and conveniently fastened and unfastened in a one-touch manner, thus completely preventing the bezels from being damaged, and providing a novel structure for fastening and unfastening a wrist watch, unlike a general watch that has a fastening and unfastening structure on a watch band. Therefore, it is possible to solve problems of inconvenience when fastening and unfastening a watch band on a user's wrist because the fastening structure applied to the band in the conventional wrist watch is eliminated, in addition to offering good appearance and allowing the watch to be easily detachably attached.

Provided is a device for fastening and unfastening a watch, in which a plurality of bezels is provided and a fastening means is provided between the bezels, so that the watch is easily and conveniently fastened and unfastened in a one-touch manner, thus completely preventing the bezels from being damaged, and providing a novel structure for fastening and unfastening a wrist watch, unlike a general watch that has a fastening and unfastening structure on a watch band. Therefore, it is possible to solve problems of inconvenience when fastening and unfastening a watch band on a user's wrist because the fastening structure applied to the band in the conventional wrist watch is eliminated, in addition to offering good appearance and allowing the watch to be easily detachably attached.

A watch case for a wristwatch with a musical or ringing mechanism, the case being configured to comprise an acoustic membrane held by its periphery at a bottom of the watch case The watch case comprises a cover comprising a bottom. The cover is articulated mounted between an open position and a closed position in which the bottom of the cover covers an outer face of the acoustic membrane so as to ensure that the membrane can vibrate freely. The watch case further comprises at least one sound diffusion opening