Case: Stainless steel case with super-hard black coating, zirconia ceramic bezel, dual-curved sapphire crystal with super-clear coating
Case diameter: 41.4mm
Case thickness: 13.5mm
Dial: Black dial, luminous hands and markers
Strap: Stainless steel bracelet with super-hard black coating, silicone strap included
Features: Connects up to twice a day to GPSnetwork to maintain time precision*, adjusts automatically to Daylight Saving Time, can change time zones with a simple push of a button (hands move faster than ever thanks to the system that moves the hour, minute, and second hands independently!), the 50 facets on the bezel commemorates the 50th anniversary of the quartz Astron
*When watch dial perceives sunlight, the watch connects to GPS satellite network and adjusts automatically to correct time.