Casio watch GA-100-1A2DR GA-100-1A2

Casio G-Shock Velocity Indicator Alarm GA-100-1A2

Specification :
Shock resistant (G-SHOCK)
Magnetic resistant
LED light
Auto light switch, selectable illumination duration, afterglow
World time
29 time zones (48 cities + coordinated universal time), daylight saving on/off, Home city / World time city swapping
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)
Countdown timer
Measuring unit: 1 second
Input range: 1 minute to 24 hours (1-minute increments and 1-hour increments)
Other: Auto-repeat
Daily alarms
5 independent daily alarms (4 one-time alarms and 1 snooze alarm)
Hourly time signal
Full auto-calendar (to year 2099)
12/24-hour format
Regular timekeeping
Analog: 2 hands (hour, minute (hand moves every 20 seconds))
Digital: Hour, minute, second, pm, month, date, day
Accuracy: ±15 seconds per month
Approx. battery life: 2 years on CR1220
Size of case / total weight
GA-100 : 55.0 X 51.2 X 16.9 mm / 70 g