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Casio G-Shock GD-400 Watch - Grey/Blue

  • Out of stock. This product has SOLD OUT!

  • Warranty CatchOfTheDay warranty. Learn more

Don’t pay more for this functionality-packed watch!

Shock resistant design | Flash alert with buzzer | Countdown timer

World time | Five daily alarms | Full auto-calendar

Casio has been crafting timeless designs for decades, and their G-Shock range is a Casio classic. Renowned for their combination of flair and versatility, Casio wrist watches are perfect for anyone who requires unique functionality to go.


  • Casio G-Shock watch
  • Model number: GD400-2
  • Colour: Grey/Blue
  • LED backlight (Super Illuminator)
  • Case material: Resin
  • Band material: Resin
  • Case diameter (approx.): 46mm
  • Clasp type: Buckle
  • Shock resistant design
  • Flash alert with buzzer
  • Multi-time function (4 different cities)
  • World time function with up to 31 time zones
  • 1/100-second stopwatch
  • Countdown timer
  • 5 daily alarms (one-time or daily)
  • Hourly time signal
  • Full auto-calendar (to year 2099)
  • 12/24 hour time formats
  • Water resistant to 200m (20ATM)
  • Country of origin: N/A
  • Protected by our 12 MONTH WARRANTY
A Bit About The Brand / More Info

Technical Specs:

  • LED light: Auto light switch, selectable illumination duration (1.5 seconds or 3 seconds), afterglow
  • Flash alert: Flashes with buzzer that sounds for alarms, countdown timer (time up), hourly time signal
  • World time: 31 time zones (48 cities + coordinated universal time), daylight saving on/off, Home city/World time city swapping
  • 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 second to 24 hours (1-second increments, 1-minute increments and 1-hour increments)
  • Button operation tone on/off
  • Regular timekeeping: Hour, minute, second, pm, month, date, day
  • Accuracy: ±15 seconds per month
  • Approx. battery life: 3 years on CR2016
  • Size of case: 55 × 49.7 × 16.6 mm
  • Protected by our 12 MONTH WARRANTY