Billions of people use quartz every day, but few realize it because the tiny crystals they use are hidden in their watches and clocks ... minute and hour hands of the watch.

Even the extraordinary accuracy of quartz watches ... is the in-house movement hand-finished to high-end levels and made of red gold, but the tiny window at four o’clock reveals a mechanical ...

The clock [Jim] chose for this build is an extremely cheap clock pulled right from the shelves of WalMart. This clock uses a standard quartz clock ... movement until the hands are where they ...