CASIO G-SHOCK Watches

CASIO G-Shock Chronograph Alarm Black #GA-100-1A1ER

Case size (L× W× H): 55 × 51.2 × 16.9 mm
Weight: 70 g
Case / bezel material: Resin
Band: Resin Band
Construction: Shock Resistant, Magnetic Resistant
Water resistance: 200-meter water resistance
Approx. battery life: 2 years on CR1220
Glass: Mineral Glass
World time:29 time zones (48 cities coordinated universal time), daylight saving on/off, Home city/World time city swapping
Stopwatch: 1/1000-second stopwatch, Measuring capacity: 99:59'59.999'', Measuring modes: Elapsed time, lap time, split time
Timer: Countdown timer
Alarm/hourly time signal: 5 daily alarms (with 1 snooze alarm), Hourly time signal
Light: LED light, Auto light switch, selectable illumination duration (1.5 seconds or 3 seconds), afterglow
Light color: Amber
Calendar: Full auto-calendar (to year 2099)
Accuracy: ±15 seconds per month
12/24-hour format
Regular timekeeping:
Analog: 2 hands (hour, minute (hand moves every 20 seconds)), 1 dial (speed)
Digital: Hour, minute, second, pm, month, date, day