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Casio G-Shock Men's 51mm GA-300BA-1ADR Duo Watch - Black

This new model combines G-Shock signature basic black with blue accents for a look that is nothing but cool. Based on the popular large case GA-300, this new variation adds sky blue colouring in the form of lettering at the top and the bottom of the bezel and case, and the hour and minute hands.


  • Casio G-Shock watch
  • Model no: GA-300BA-1ADR
  • For men
  • Movement: Japanese quartz
  • Dial colour: Black
  • Band colour: Black
  • Case colour: Black
  • Case material: Resin
  • Band material: Resin
  • Band measurement (mm, approx): 22
  • Case diameter (mm, approx): 51
  • Case thickness (mm, approx): 14
  • Clasp type: Buckle
  • Water resistance: 200m, 20 BAR
  • Shock resistant
  • Magnetic resistant
  • Auto LED light (Super Illuminator) with Afterglow
  • World time with 31 time zones (48 cities + UTC)
  • Daylight saving on/off
  • 4 daily alarms and 1 snooze alarm
  • Hourly time signal
  • 1/100-second stopwatch
  • Countdown timer
  • Full auto-calendar (to year 2099)
  • 12/24-hour formats
  • Accuracy: +/- 15 seconds per month
  • Approx. battery life: 3 years with SR927W x 2
  • Country of origin: China (cased)
A Bit About The Brand / More Info

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.

Customer Reviews


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10 November 2016

This is a gift for my son but the way he talks about them all the time I'm sure he will be stoked when he receives it.

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09 November 2016


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02 November 2016

Cool watch

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28 April 2016

Works exactly as promised. Very happy with the purchase.

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14 April 2016

Love it

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