READY STOCK 100% ORIGINAL CASIO G-SHOCK GA-100-1A1DR / GA-100-1A2DR / GA-100-1A4DR / GA-100-1A2/ GA-100-1A1 / GA-100-1A4

Case size (L× W× H)
55 × 51.2 × 16.9 mm
Weight
70 g
Case and bezel material
Case / bezel material: Resin
Band
Resin Band
Construction
Shock Resistant
Magnetic Resistant
Water resistance
200-meter water resistance
Power supply and battery life
Approx. battery life: 2 years on CR1220
Glass
Mineral Glass
World time
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 Others: Speed (0 to 1998 units/hour), Distance input (0.0 to 99.9) Mach indicator (speed exceeding 1225 units/hour)
Timer
Countdown timer Measuring unit: 1 second Countdown range: 24 hours Countdown start time setting range: 1 minute to 24 hours (1-minute increments and 1-hour increments) Other: Auto-repeat
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
LED:Amber
Calendar
Full auto-calendar (to year 2099)
Accuracy
Accuracy: ±15 seconds per month
Other features
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