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Casio G Shock Black Military Analogue Tactical Watch GA-100-1A1ER

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GA-100-1A 1DR

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Product Description



Ideal for Military, electricians and people working with explosives.

The latest G SHOCK model has a 35mm diameter face and a large case to give it a strong and powerful look as well as raised hour markers that create three-dimensional depth that gives the face plenty of character.

The popular G SHOCK three-dial face design incorporates one analogue dial in the centre with digital dials on either side.


  • Designed and engineered to deliver outstanding shock-resistance, water-resistance, and anti-magnetism.
  • Over-sized buttons and chequered anti-slip surface make operations fast and sure.
  • Velocity indicator.
  • Resin case/bezel.
  • Resin band.
  • 200m water-resistance.
  • Mineral glass.
  • LED light (amber).
  • Auto light switch – selectable illumination duration and afterglow.
  • 12/24-hour format.
  • Accuracy: ±15 seconds per month.
  • Approx. battery life: 2 years on CR1220.
  • World time:
    - 29 time zones (48 cities + coordinated universal time).
    - Daylight saving on/off.
    - Home city/world time city swapping.
  • 1/1000-second stopwatch:
    - Measuring capacity: 99:59'59.999''
    - Measuring modes: elapsed time, lap time, split time.
    - Others: speed (0 to 1998 units / hour), distance input (0.0 to 99.9)
    - Mach indicator (speed exceeding 1225 units / hour).
  • Countdown timer:
    - Measuring unit: 1 second.
    - Input range: 1 minute to 24 hours (1-minute increments and 1-hour increments).
    - Other: auto-repeat.
  • Daily alarms:
    - 5 x independent daily alarms (4 x one-time alarms and 1 x snooze alarm).
    - Hourly time signal.
    - Full auto-calendar (to year 2099).
  • Regular timekeeping:
    - Analogue: 2 x hands (hour, minute (hand moves every 20 seconds)).
    - Digital: hour, minute, second, pm, month, date, day.


  • Size of case/total weight: 55 x 51.2 x 16.9 mm/70 g

Unmatched function and performance.

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