Casio GMA-S2100-4A2 This series downsizes the GA-2100 to create a simple and slim design. The octagonal bezel, flat face, simple bar hour markers, and carbon core guard structure that are distinctive features of the GA-2100 are now available in a compact configuration. Casio GMA-S2100-4A2 G-Shock Womens Watch Features: Construction: Shock Resistant Carbon Core Guard structure Water resistance: 200-meter water resistance Power supply and battery life: Approx. battery life: 3 years World time: 31 time zones (48 cities coordinated universal time), daylight saving on/off Stopwatch: 1/100-second stopwatch Timer: Countdown timer Alarm/hourly time signal: 5 daily alarms Hourly time signal Light: Double LED light Light color: LED:White Calendar: Full auto-calendar (to year 2099) Mute feature: Button operation tone on/off Accuracy: ±15 seconds per month Other features 12/24-hour format Hand shift feature (Hands move out of the way to provide an unobstructed view of digital display contents.) Regular timekeeping: Analog: 2 hands (hour, minute (hand moves every 20 seconds)), 1 dial (day) Digital: Hour, minute, second, pm, month, date.
