Watchmaker Bathys Hawaii has a different kind of smartwatch in mind these days. The Cesium 133 prototype wristwatch manages to stuff an entire atomic clock into a wearable gadget.
Watches that communicate with atomic clocks to set their time have been around for years, but a wrist-wearable atomic clock is another matter.
The Cesium 133 has the usual gears and levels causing the hands to move, but instead of quartz crystal inside, there's a cesium atomic oscillator. According to Bathys Hawaii, the watch will only lose one second over every 1,000-year period. … Read more