Horological Milestones: Electronic Watches, pt 3/8

Friday, October 23, 2020

A horological milestone each day:

The next game-changer arrived at the market in 1970 -- ten years later: The C.E.H. Switzerland invented Beta21 movement, a quartz swinging at 8'192Hz and controlling a tuningfork-like motor making the seconds hand sweep around the dial in unparalleled and so far unseen precision. A milestone!