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