G-Shock GAB2100CT1A5 Watch. Carbon case. Bio-based resin bezel. Cloth band (Made of traceable organic TRUECOTTON). Shock resistant. Carbon Core Guard structure. 200-meter water resistance. Tough Solar (Solar powered). Mobile link (Wireless linking using Bluetooth®). Auto time adjustment. Easy watch setting. Approximately 300 world time cities. Time & place. Reminders. Phone finder. Mineral glass exterior. 1/100-second stopwatch. Countdown timer. 5 daily alarms. Hourly time signal. Double LED light. Full auto-calendar (to year 2099). Battery level indicator. Approx. battery operating time: 7 months on rechargeable battery. Accuracy: +/- 15 seconds per month (with no mobile link function). Hand shift feature (Hands move out of the way to provide an unobstructed view of digital display contents). Imported.