As demonstrated by [InazumaDenki], though, an old quartz clock module can also do the job with just a little work. The module was harvested from an old Seiko wall clock, and features the familiar ...

In quartz clocks, the vibrations of a quartz crystal are controlled and used to measure time. <div class="section1"><div class="Normal">In quartz clocks, the ...

FOR THE discerning timekeeper, only an atomic clock will do. Whereas the best quartz timepieces will lose a millisecond every six weeks, an atomic clock might not lose a thousandth of one in a decade.