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Casio G-Shock Men's Watch GAS-100RB-1A

Casio G-Shock Men's Watch GAS-100RB-1A



Hours Minutes Seconds

Sale Ends Once The timer Hits Zero!

The colors may differ slightly from the original.


G-SHOCK launched a new series with the classic street color black and white red as the design main axis. The black and white red is decorated with contrasting colors on the case, strap or dial details to create the most fashionable street wear watch. This series is based on GW-M5610, GA-110, and GAS-100. The entire series maintains the G-SHOCK's existing impact-resistant structure, 200-meter water resistance, LED lighting... and other design concepts. It is also equipped with world time and chronographs. , Countdown...


  • Case/Bezel Material: Resin/Aluminum
  • Resin strap
  • Impact resistant structure
  • Mineral glass
  • 200 meters water resistance
  • Dual LED lights (super bright light source, optional lighting time 1.5 seconds/3 seconds, afterglow design
  • Tough Solar
  • World time
    31 time zones (48 cities + UTC), daylight saving time (on/off), local/world time switch
  • Code table
    unit of measurement: 1/100 seconds
    Measurement range: 59'59.99 ''
    Measuring mode: elapsed time, split time, first and second
  • Countdown
    measurement unit: 1 second
    measurement range: 100 minutes
    start time setting range: 1 second to 100 minutes (measurement unit: every 1 second/1 minute measurement)
  • 5 daily alarms
  • report punctually
  • Automatic pointer shift (when using the digital screen function)
  • Battery indicator
  • Power saving function (when entering the dark state, the watch will automatically turn off the screen display)
  • Fully automatic calendar (until 2099)
  • 12/24 hour system switching
  • Operation sound (on/off)
  • Time mode
    hand: two hands (hour, minute)
    digits: hour, minute, second, pm, month, date, day of the week
  • Accuracy: ±15 seconds per month
  • Estimated battery life:
    When the solar battery is not generating electricity, the continuous operation time after full charge: When
    each function is in normal operation: about 8 months in the
    state of power saving: about 19 months

      Size / Total weight            

      • Dimensions: 55.1 x 52.5 x 16.7mm
      • Weight: 72g


      UPDATE: Due to huge demand and discount offer we are officially running low on this product. Place your order while supplies last!

      What we offer:
      • FREE Nationwide Delivery! 2 to 9 business days. (depends on the location)
      • Damaged item? We refund or replace your item. Give us the damaged photos within 2 days, send back to us the item and we will refund or replace your item!

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