Patent ID: 7403449

Claim:
A movement for a timepiece including at least one display ring which is rotatably mounted about an axis on a bottom plate and which carries, on the top face thereof, markings that will appear in a display zone, wherein the ring is fitted with an inner peripheral toothing which cooperates with drive means such that the markings carried by the ring pass into the display zone, and which cooperates with a stop device by the effect of a jumper spring, mounted on the bottom plate, able to stop the ring in a determined angular position by abutting radially against the inner toothing, the stop device being drawn towards the radial abutment position thereof by an elastic return element, and wherein a holding plate is secured on the bottom plate so as to retain the stop device axially, wherein the holding plate is secured on the bottom plate by a bayonet type assembly during which the holding plate occupies, on the bottom plate, first of all a first non fixed angular position, then a second fixed angular position, and wherein the holding plate includes at least one winding member which cooperates with the stop device during the pivoting of the holding plate from the non fixed angular position thereof to the fixed angular position thereof, so as to wind the associated elastic return element.