METHOD FOR FIXING A CRYSTAL TO THE MIDDLE PART OF A WATCH CASE

摘要

The method involves welding the assembly formed by a watch crystal (4) and a digital display device (12) to the middle portion (2) of watch by using a laser beam. A printed circuit board (28) is arranged inside a watch case (1), underneath the digital display device. The digital display device is electrically connected to the printed circuit board by using a zebra type electrical connector (32). The watch crystal and the middle portion of watch are made up of plastic.