Patent ID: 8777480

Claim:
A timepiece comprising a middle part closed by a back cover and a crystal, said middle part comprising a peripheral shoulder in which a groove is arranged, said groove being disposed on a shoulder surface parallel to the central axis of the middle part, said timepiece comprising a rotating bezel system rotatably mounted on said peripheral shoulder, wherein said rotating bezel system includes a bezel ring provided with at least a first recess disposed on a surface of the bezel intended to face said groove when said rotating bezel system is assembled on the middle part, said rotating bezel system further comprising a spring means extending both into said at least one first recess of the bezel and into the groove of the middle part to hold the rotating bezel system on the middle part of the timepiece, and a toothed element having a toothing arranged to cooperate with a corresponding toothing arranged on the spring means so as to index the angular position of the bezel.