If you’re looking for a 1-second time reference, you’d probably just grab a GPS module off the shelf and use the 1PPS output. As demonstrated by [InazumaDenki], though, an old quartz clock ...

It is very much a product of the time it ... themed, quartz-powered clock released by Patek in the 1970s. It was originally designed as a back-up navigational system for ships, but later relegated ...

The crystal helps keep time thanks to ... Billions of people use quartz every day, but few realize it because the tiny crystals they use are hidden in their watches and clocks.

paper-thin piece of synthetic quartz acts as the watch's oscillator. Think of the oscillator like the pendulum in a grandfather clock, that by its continuous motion tells the watch how much time ...