Abstract: 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.