Casio GD100-1B.Based on the successful analog / digital X-Large GA100 G Series

Casio GD100-1B


Based on the successful analog / digital X-Large GA100 G Series, an all-digital G-Shock version large size and wide face not only give a look of power and strength, but make it Extremely Easy-to-read and use with over sized ITS Buttons. For added visibility in dark conditions, in newly designed high-density LED light has-been employed to light up the dial face from behind.

The result is super-luminous display that’s a true reflection of G-Shock’s desire to keep Improving timekeeping.

  • Shock Resistant
  • 200M Water Resistant
  • High-Intensity LEDs
  • Large Digital Display Area


  • Shock Resistant
  • 200M Water Resistant
  • Shock Resistant
  • Auto Backlight LED (Super Illuminator)
  • Multi-time (4 different cities)
  • World Time
    31 time zones (48 cities + UTC), city code display, daylight saving on / off
  • 5 Independent Alarms (one-time or daily)
  • Hourly Time Signal
  • Flash alert
    Flasher with buzzer for alarms That sounds, hourly time signal, countdown timer time up
  • alarm, countdown timer progress beeper
  • 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
    Countdown range: 24 hours
    Countdown start time setting range: 1 minute to 24 hours (1-second increments, 1-minute increments and 1-hour increments)
    Other: progress beeper
  • Full Auto Calendar (pre-programmed until the year 2099)
  • 12/24 Hour Formats
  • Button operation tone on / off
  • Accuracy: + / -15 seconds per month
  • Battery: CR2025
  • Approx. battery life: 7 years
  • Module 3263
  • Size of case / total weight
    55.0 x 51.2 x 17.4mm GD100 / 72g

Price : $ 89

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