公开(公告)号：US20190025765A1

公开(公告)日：2019-01-24

申请号：US16012799

申请日：2018-06-20

Applicant: The Swatch Group Research and Development Ltd

Inventor： Silvano BONADEI ,  Damien GOYET ,  Vittorio ZANESCO ,  Laurent MOUCHE

IPC: G04B45/02 ,  G04C3/12 ,  G04B19/04

Abstract: The invention relates to a skeleton watch including: a case middle; a movement including: a frame; time display means; a reduction mechanism meshed with the time display means; a motor including: an electromagnet; a stator; a rotor bearing a pinion meshed with the reduction mechanism; an electronic circuit including: a piezoelectric quartz; a control circuit connected to the quartz and to the stator by means of electrical conductors; an additional plate which carries the electronic circuit, said additional plate being distinct from the back cover and fixed to the frame.