Patent ID: 7111978
Filing Date: 2006-09-26
Classification: G04B

Abstract:
1. A timepiece with a bezel that can be interchanged via a bayonet device provided an upper shoulder of the middle part of a case closed by a back cover to house a watch movement, wherein the shoulder is provided with a circular groove, and at least two sinks opening out partially into said groove, the bezel including at least two feet positioned to be engaged in the sinks, said feet each including a notch open radially at the emergence of the sinks, and in that a locking/unlocking ring of the bezel, provided with an outer member for rotational manipulation is positioned in the groove, one edge of said ring having a substantially equal thickness at the aperture of the notches and including recesses for the passage of the feet and the other edge including a gorge opposite a gorge of the middle part, the two gorges, housing a click spring of the ring.