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 cl… ...

The Naviquartz is a nautically 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 to dryer ...

Quartz clock technologies played a central role in twentieth century timekeeping, telecommunication and society at large. This article explores the process of the invention and construction of the ...