Length fine adjustment device for watch strap, has ball element engaging one of two borings for fixing support to opening and closing cover, where borings respectively define two fine adjustment positions of strand of strap

摘要

The device (180) has a fixation device (290) for attaching an end of a strand (189) of a bracelet to a base support (280), and a ball element constituted by a spring and a ball housed in a recess. The ball element engages one of two borings (165, 166) for fixing the support to an opening and closing cover (160). The borings respectively define two fine adjustment positions of the strand, and two lateral faces (162, 163) of the cover respectively include two guiding grooves respectively receiving two lateral guides associated to the support.