Could the analog quartz wristwatch, a mainstay of the timepiece market for more than half a century, be headed finally for a high-tech makeover? A French startup, SilMach, in Besançon, France, is betting big that it is. The company has used silicon microelectromechanical systems (MEMS) to produce an entirely new wristwatch motor for analog watches that’s half the size and roughly three times as efficient in comparison with the standard stepper motor now used in wristwatches....

https://spectrum.ieee.org/quartz-watch