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At A Glance

Carrying on the proud history of G-Shock innovation that started in 1983, the G7800 adds a high level of customizability with a new spin on classic G-Shock design. With its larger LCD, multiple display fonts, contrast level, custom memo option and multi-function alarms you can set the watch up to create a distinctively original look that is all your own. Operation-wise, this model displays text help to guide you through the many useful modes. The result is an innovative new timepiece that combines simple operation, G-Shock toughness, and stylish design with a white resin band and a neutral face.




  • Band Type:  Resin
  • Dial Code:  Digital

Technical Specs

  • Shock Resistant
  • 200 Meter Water Resistant
  • Auto EL Backlight with Afterglow
  • Flash Alert
  • Flasher with buzzer that sounds for alarms, hourly time signal, countdown timer time-up alarm, LED flashes to indicate mode change when button tone operation is turned off.
  • World Time 31 time zones (31 cities + Universal Coordinated Time), city code display, daylight savings on/off
  • 1/100 Second Stopwatch
  • Measuring capacity: 99 days 23:59'59.99"
  • Measuring modes: Elapsed time, split time, 1st-2nd place times
  • Countdown Timer
  • Measuring unit: 1 second
  • Countdown range: 1 minute to 24 hours
  • Selectable Timer modes: One-time, countdown/count up, auto repeat
  • Other: Preset Timer (preset start times 1, 3, 5, 10, 15, 30, 45, 60 minutes)
  • 4 Multi-function Alarms and 1 Snooze Alarm (Daily, Once, Weekend, Weekday)
  • Hourly Time Signal (Daily, Once, Weekend, Weekday, selectable window 1-hour increments)
  • Auto Calendar (pre-programmed until the year 2099)
  • 12/24 Hour Formats
  • Button Tone Operation on/off
  • Curent time display style (24 styles)
  • Custom Memo: 14 characters x 2
  • Font Setting: bold or narrow
  • Screen Contrast Level: 7 levels
  • Accuracy: ±15 seconds per month
  • Battery CR2025
  • Approx. battery life: 5 years
  • Module 3163

Size of case/total weight
G7800B 50.4 x 43.8 x 15.1mm / 66g
G7800P 50.4 x 43.8 x 15.1mm / 66g