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Casio G-Shock Men's 50mm GSTS300G-1A2 Resin Watch - Black/Blue

Consistently setting new standards for timekeeping toughness, comes Casio's latest variation to the G-Steel lineup of G-Shock watches. With a reduced case size of approximately 90% to previous models, without removing a single layer of guard structure or functionality, reveals a lighter, more nimble companion. Featuring full auto dual LED illumination, world time, stopwatch and countdown timer functionality, along with a solar powered battery ensuring this is the one watch you'll need no matter where you end up.


  • Casio G-Shock watches
  • Model no.: GSTS300G-1A2
  • For men
  • Movement: Quartz
  • Dial colour: Black
  • Band colour: Black
  • Case material: Resin/stainless steel backing
  • Band material: Resin
  • Band measurement (approx. mm):
    • Width: 20
    • Length including the face: 270
  • Case diameter (approx. mm, includes casing): 50
  • Case thickness (approx. mm): 14
  • Clasp type: Buckle
  • Water resistance: 200 metres (20ATM)
  • Shock and magnetic resistant
  • Mineral glass
  • LED light for the face (Full auto LED light, Super illuminator, selectable illumination duration (1.5 seconds or 3 seconds), afterglow)
  • World time:
    • 31 time zones (48 cities + coordinated universal time)
    • Daylight saving on/off
    • Home city / World time city swapping
  • Stopwatch:
    • 1/100-second
    • Measuring capacity: 59'59.99"
    • Modes: Elapsed, split, 1st-2nd times
  • Countdown timer:
    • Measuring unit: 1 second
    • Range: 100 minutes
    • Setting range: 1 second to 100 minutes (-1 second or -1 minutes increments)
  • 5 daily alarms
  • Hourly time signal
  • Hand shift feature
  • Battery level indicator
  • Power Saving (display goes blank to save power when the watch is left in the dark)
  • Full auto-calendar (to year 2099)
  • 12/24-hour format
  • Regular timekeeping:
    • Analog: 2 hands (hour, minute), 1 dial (speed)
    • Digital: Hour, minute, second, pm, month, date, day
  • Accuracy: ±15 seconds per month
  • Battery type: N/A
  • Battery life: 8 months (solar rechargeable)
  • Original box: Yes - ready for gift giving!
  • Designed in: N/A
  • Country of origin: N/A
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.