CASIO G SHOCK GD 100GB 1

Case / bezel material: Resin

Resin Band

Shock Resistant

Mineral Glass

200-meter water resistance

LED Backlight
Auto light switch, selectable illumination duration, afterglow.

Flash alert
Flashes with buzzer that sounds for alarms, hourly time signal, countdown timer time up alarm

Multi time (4 different cities)

World time
31 time zones (48 cities + coordinated universal time), daylight saving on/off, Home city / World time city swapping

1/100-second stopwatch
Measuring capacity: 23:59'59.99''
Measuring modes: Elapsed time, split time, 1st-2nd place times

Countdown timer
Measuring unit: 1/10 second
Input range: 1 second to 24 hours (1-second increments, 1-minute increments and 1-hour increments)

5 alarms (daily or one-time)

Hourly time signal

Full auto-calendar (to year 2099)

12/24-hour format

Button operation tone on/off

Regular timekeeping: Hour, minute, second, pm, month, date, day

Accuracy: ±15 seconds per month

Approx. battery life: 7 years on CR2025

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Size of case / Total weight

Size of case : 55×51.2×17.4mm

Total weight : 72g