“Generation 2 Engine”

Bluetooth® v4.0 Enabled G-SHOCK


  • GB-6900B-1JF
  • GB-6900B-1BJF
  • GB-6900B-3JF
  • GB-6900B-7JF


Color Variation


[Big Size]

  • GB-X6900B-1JF
  • GB-X6900B-2JF
  • GB-X6900B-4JF


Shock-resistant Construction and
200-meter Water Resistance

Original G-SHOCK construction stands up to shocks and vibration like no other. 200-meter water resistance lets you wear it with confidence even at the beach or around the pool.

Approx. battery operating time:
2 years

Since Bluetooth® v4.0 uses low-power near field communication technology, your function-packed G-SHOCK is able deliver to approximately two years of operation on a single coin type battery*. This makes the watch's advanced functions practical for everyday use.
* Approximate battery life when communication function are used for 12 hours a day (tentative value).

Main Specifications

  • Shock resistant (G-SHOCK)
  • LED backlight (Super Illuminator)
    Auto light switch, selectable illumination duration, afterglow
  • World time
    35 time zones (100 cities + coordinated universal time), city name display, daylight saving on/off
  • 1/100-second stopwatch
    Measuring capacity: 999:59'59.99''
    Measuring modes: Elapsed time, split time, 1st-2nd place times
  • Countdown timer
    Measuring unit: 1/10 second
    Countdown range: 100 hours
    Countdown start time setting range: 1 seconds to 100 hours (1-second increments, 1-minute increments and 1-hour increments)
  • 5 daily alarms or one-time alarms (with 1 snooze alarm)
  • Hourly time signal
  • Mobile link (Wireless linking using Bluetooth® v4.0)
  • Vibe alert
  • Tap function
  • Low battery warning (A warning appears on the display whenever battery power drops below a certain level.)
  • Full auto-calendar (to year 2099)
  • 12/24-hour format
  • Button operation tone on/off
  • Power Saving (Mobile Link turns off automatically after a fixed amount of time to save power.)
  • Regular timekeeping: Hour, minute, second, pm, month, date, day
  • Accuracy: ±15 seconds per month
  • Approx. battery operating time:
    2 years on CR2032 (Mobile Link used 12 hours a day.)
    • *Incoming call alert: 3 times/day
    • *Incoming mail, other event alert: 10 times/day
    • *Light: 1 time (1.5 seconds)/day
    • *Alarm: 10 seconds/day
    • *Control Mode: 2 hours/day
  • Size of case / total weight
    GB-X6900B........ 57.5 x 53.9 x 20.4 mm / 82 g
    GB-6900B-1/3/7... 53.2 x 50.0 x 18.7 mm / 65 g
    GB-6900B-1....... 53.2 x 50.0 x 18.7 mm / 70 g
  • * Bluetooth is a registered trademark or trademark of Bluetooth SIG, Inc.
  • * iPhone is a trademark of Apple Inc., registered in the U.S. and other countries.
  • * Galaxy S is a registered trademark of Samsung Electronics Co., Ltd.
  • * Android and Google Play are trademarks of Google Inc.
  • * Other trademarks and trade names are those of their respective owners.