Mountain Equipment Company

Casio G-Shock GDA800 Digital Watch - Men's


Colour: Grey

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Rocksolid guarantee

Shop with confidence. If it’s not working out, you can return it (consumables, electronics, undergarments and swimwear excluded).
Really. If it's not up to snuff after you use it (a couple times) you can still bring it back. It lasts longer than 30 days, but not forever. We'll be fair about it.


Whether you’re at the starting line of an adventure race or setting off for a dawn patrol, the G-Shock's up-armoured case can handle the rough and tumble. The GDA800 has a 100-lap stopwatch, plenty of timers, and internal accelerometers to tell you more about how you train. Synching with the free G-Shock app, this watch lets you review and customize workouts, tracks your steps and provides an hourly graph of steps (up to 7h). You can even update time zones and customize timers, all from your phone.

  • Pairs via Bluetooth® to the free G-shock app on your phone. The app can track workout intensity, log daily steps, provide step goals and give and estimate of burned calories
  • Internal accelerometer tracks your daily steps
  • Multi-timer has 5 different times and can run multiple interval combinations. Timers can even be set-up on the app and sent to your watch
  • 200-lap stopwatch
  • Precise time setting and automatic updates for daylight saving via the app
  • Contoured strap design offers a comfortably snug fit that won’t slide around when you’re on the move
  • Dual time zones
  • 200-metre water resistance
  • LED backlight with customizable automatic options
  • Scratch-resistant mineral crystal glass
  • 3 year battery life on a single CR2025 battery

Tech specs

Weight59g (Grey)
59g (Tan)
59g (Green)
Ideal for
  • Everyday use
  • Fitness and training
Wrist strap materialResin
Mineral crystal glass
Daily alarms5
Sunrise/set timeNo
Countdown timerYes
Replaceable batteriesYes
Date displayYes
Replaceable wrist strapYes
Interval trainingYes
Batteries1 lithium CR2025 (included)
Max split time200
Button lockNo
Chest strapNot compatible
  • Backlight
12/24 hour formatYes
Heart rate monitorNo
Case diameter48mm
Haptic feedbackNo
Made inChina


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