*G-Shock* Part No. GA-2100 Drive System Digital Material: case Resin Material: belt Resin Windshield Mineral glass Dial Color / Black Belt / Black LED light Countdown timer Specifications Antimagnetic Watch (JIS class 1) Impact resistant structures (shock resist) 20 ATM water resistant -Case-bezel material: resin Resin band -Stopwatch, Alarm, Day & Date