Annular retaining ring for a rotating bezel system

The annular rotating bezel system intended to be rotatably mounted on a case middle part of a watch case inside which is housed a timepiece movement which extends in a plane, comprising a rotating bezel, an annular retaining ring, a toothed ring and spring means cooperating elastically with the toothed ring, said toothed ring and said spring means being held in an axial direction perpendicular to the plane of the movement in the bezel by the annular retaining ring, either the toothed ring or the spring means being arranged to be angularly joined to the rotating bezel, and the other being arranged to be angularly joined to the case middle, wherein the annular ring includes means configured to brake rotation of the rotating bezel around the case middle and to dampen sound.

A watch case comprising a case middle and an annular rotating bezel system provided with an annular rotating bezel rotatably mounted on the case middle, wherein the annular rotating bezel system comprises a rotating bezel, an annular retaining ring, a toothed ring and spring means cooperating elastically with the toothed ring, said toothed ring and said spring means being held in an axial direction perpendicular to the plane of the movement in the bezel by the annular retaining ring, either the toothed ring or the spring means being arranged to be angularly joined to the rotating bezel, and the other being arranged to be angularly joined to the case middle, and wherein the annular ring includes means configured to brake rotation of the rotating bezel around the case middle and to dampen sound.