Earn your stripes in style with the G-Shock® GA100CM-8A. As part of the Trending Series, the GA100CM-8A was designed for those who 'Never Blend In'. Flexible resin band, digital face display and buckle closure. Shock resistant. Water resistant up to 200 meters. Magnetic resistant. Hourly time signal. Employs a reverse LCD display. 4 daily alarms and one alarm. Countdown timer. Backlight Auto LED light with afterglow. Auto-calendar pre-programmed until the year 2099. 12/24 hour formats. Accuracy +/- 15 seconds per month. World time 29 zones (48 cities + UTC). Stopwatch 1/1000 second. Module 5081. Battery CR1220 with approximately 2 years of battery life.