Patent ID: 8882338

Claim:
A timepiece movement including a chronograph mechanism comprising a column wheel and a pusher device arranged for manually actuating the column wheel, the pusher device comprising a push button axially moveable parallel to the plane of the movement between a rest position and an active position, and comprising a pivoting control part mounted on a first pivot and carrying a click, the click being returned against a toothing of the column wheel wherein the pusher device further includes an intermediate lever mounted on a second pivot and extending substantially along the periphery of the movement, the intermediate lever being arranged to be actuated by the push button, and comprising a distal portion arranged to actuate the pivoting control part, the first pivot and the second pivot being arranged at the periphery of the movement on both sides of the push button, and the pivoting control part and the intermediate lever extending from the respective pivot thereof toward each other, a distal portion of the pivoting control part being arranged to cooperate with the distal portion of the intermediate lever; and wherein the click is arranged to forward one tooth of the toothing of the column wheel when the push button is moved from the rest position into the active position and to be released from the toothing by sliding over the top of one tooth when the push button returns to the rest position from the active position.