WATCH CLOSE UP | Maximiliam Atomic Watches automatically syncronize once a day with the National Institute of Standards Cesium Atomic Clock in Fort Collins Colorado, accurate to better than 1 second in 20 million years! The technology built in to the watch also performs internal checks to calibrate the quartz oscillator and maintains extraordinary accuracy, even when the signal is not received every day. This feature ensures continued accuracy and synchronization even when traveling outside North America. These watches will always be more precise than ordinary quartz watches. Shock-resistant 39mm Titanium case, high quality leather band, hardened mineral crystal, Silver dial with black digits and markers, 4 US time zones, automatically adjusts for standard and daylight saving time. Made in Germany.