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Casio G-Shock Men's 55mm GAS100B-1A2 Analogue Resin Watch - Black/Blue

A large, rugged case combines with an aluminium bezel and a touch of colour that adds a sporty accent to the overall design, while double LED lights, full auto calendar, 200m water resistance and shock resistant construction makes this solar powered timepiece an essential for your active lifestyle.


  • Casio G-Shock watches
  • For men
  • Model no.: GAS100B-1A2
  • Movement: Solar powered
  • Dial colour: Black
  • Band colour: Black
  • Case colour: Black/Blue
  • Case material: Resin (stainless steel back)
  • Band material: Resin
  • Band measurement (approx. mm):
    • Width: 22
    • Length (including the face): 260
  • Case diameter (approx. mm, includes casing): 55
  • Case thickness (approx. mm): 16
  • Clasp type: Buckle
  • Water resistance: 200m / 20 BAR
  • Alarm: 5 daily alarms
  • World time:
    • 31 time zones (48 cities + coordinated universal time)
    • Daylight saving on/off
    • Home city/World time city swapping
  • LED light: Double (Super Illuminator with Full Auto light)
  • Stopwatch & accuracy: 1/100 second, ±15 seconds per month
  • Calendar: Full auto calendar (to year 2099)
  • Countdown timer
  • Hourly time signal
  • Hand shift feature
  • Battery level indicator
  • Power saving mode
  • 12/24 hour format
  • Button operation tone on/off
  • Regular timekeeping
  • Battery type: Tough Solar
  • Battery life: 8 months on rechargeable battery
  • Original box: Yes
A Bit About The Brand / More Info

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