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Casio G-Shock GA100-1A1 X-Large Watch

Living up to G-Shock’s® reputation for big case designs, meet the X-Large G.

This ana-digi, three-eyed monster measure in at a whopping 55 x 51.2 x 16.9mm size, with attention to detail that is second to none. Large anti-skid buttons provide easy operation, embossed indexes gives a 3-D look and a rivet bezel design adds strength to its overall appearance.
  • Shock-resistant
  • Anti-magnetic structure
  • Auto LED backlight with afterglow
  • World time
  • 29 time zones (48 cities + UTC)
  • Daylight saving on / off
  • Home city / world time swapping
  • Four daily alarms and snooze alarm
  • Hourly time signal
  • Stopwatch
  • Countdown timer
  • Full auto calendar pre-programmed until 2099
  • 12/24 hour formats
  • Battery: CR1220
  • Battery life: Approx. two years
  • Water-resistant: To 200 meters
  • Accuracy: +/- 15 seconds per month
  • Color: Black
1/1000 Second Stopwatch:
  • Measuring capacity: 99:59'59.999"
  • Measuring modes: Elapsed time, lap time, split time
  • Other: Speed (0-1998 units / hour), Selection distance input (0.0-99.9)
Countdown Timer:
  • Measuring unit: 1 second
  • Countdown range: 24 hours
  • Countdown start time setting range: 1 minute to 24 hours (1-minute and 1-hour increments)
  • Other: Auto-repeat
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Casio's® corporate creed is "creativity and contribution." It expresses the company's commitment to contributing to society by offering the kind of original, useful products that only Casio can.
Description Analog or digital Features Date window Price Qty

GA1001A1

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Analog & digital 1/1000th Second Stopwatch w/ Speed Indicator, Countdown Timer Digital Display N/A