While automatic quartz watches do exist[1], “generally, some form of digital logic counts the cycles of this signal”[2], to the point of becoming a synonym. [1

While automatic quartz watches do exist[1], “generally, some form of digital logic counts the cycles of this signal”[2], to the point of becoming a synonym. [1]: https://en.m.wikipedia.org/wiki/Automatic_quartz https://en.m.wikipedia.org/wiki/Automatic_quartz [2]: https://en.m.wikipedia.org/wiki/Quartz_clock https://en.m.wikipedia.org/wiki/Quartz_clock