patekkie
1552
A. L. Breguet was known for inventive thinking, but there's no truth to the rumor...
that he was experimenting with quartz technology as early as 1792, and had a quartz watch running successfully prior to 1800. >;^)
Breguet Quartz?
Did breguet ever make a quartz movement around the 1970's if so what No. possibly could have been given to these watches?
