The G-SHOCK timepieces have continued to demonstrate its toughness since its launch back in 1983. The brand continues to evolve and withstand the test of time and even environments. This model GA2100AH-6AD is designed with a polarised purple paint, that uniquely changes colour when viewing from different angles. Drawing inspiration from the everchanging construct of computer and survival games. - 48.5x45.4x11.8mm Case Size - 51g Weight - Shock resistant (G-SHOCK) - Double LED light: LED light for the face & LED backlight for the digital display - Hand shift feature (Hands move out of the way to provide an unobstructed view of digital display contents) - World time: 31 time zones (48 cities + coordinated universal time), daylight saving on/off - 1/100-second stopwatch - Countdown timer - 5 daily alarms - Hourly time signal - Full auto-calendar (to year 2099) - 12/24-hour format - Button operation tone on/off - Regular timekeeping: Analog: 2 hands (hour, minute (hand moves every 20 seconds)), 1 dial (day) Digital: Hour, minute, second, pm, month, date - Accuracy: ±15 seconds per month - Approx. battery life: 3 years on SR726W × 2