Patent ID: 6315443
Filing Date: 2001-11-13
Classification: G04B,G04F

Abstract:
A chronograph watch made of precious metal including a case, closed by a crystal and a back cover resting on a rigid middle part-bezel having a recess opened towards the centre of the case and wherein are provided through passages for a time-setting stem and for guide sleeves for at least two push buttons, and a chronograph movement with its display device positioned in said case by a casing ring arranged between said movement and said middle part-bezel, wherein the guide sleeves include a tube threaded on the outside and which ends in a collar and wherein at least two separated segments shaped substantially like the recess and pierced with a threaded hole are arranged in the vicinity of the push button sleeves to assure, by screwing from the exterior, both that said segments are firmly positioned and that said sleeves are sealed by crushing a metal ring of the middle part-bezel around the through passages.