If the current crop of smartwatches isn't to your liking, perhaps this truly smart watch ... it's an atomic clock strapped to your wrist. If being punctual is your thing, this could be the time ...

The Cesium 133 uses a chip-scale atomic clock (CSAC) to maintain accurate time. The name of the watch comes from the cesium 133 atom which is officially used to define a second in time.

John Patterson is a humble watchmaker in Kauai, Hawaii, who, for the past five years, has been quietly making the world’s first consumer-level atomic ... A quartz watch will keep time in space ...

Marvel’s Time Variance Authority (TVA) would probably call dibs on this atomic clock if they could ... and GPS Time isn’t just about watches and alarms — it powers everything from GPS ...