3 ms·
They have. http://www.ablogtowatch.com/bathys-hawaii-cesium-133-atomic-wrist-watch-accurate-second-1000-years/ http://www.ablogtowatch.com/bathys-hawaii-cesium-
by __alexs 13y ago
They have. http://www.ablogtowatch.com/bathys-hawaii-cesium-133-atomic-wrist-watch-accurate-second-1000-years/ http://www.ablogtowatch.com/bathys-hawaii-cesium-133-atomic-...