Casio G-Shock GA-100-1A1ER

‌Casio G-Shock GA-100-1A1ER is an ultra-durable men's analog-digital watch designed, from start to finish, to perform even in tougher conditions too. A sturdy timepiece which doesn't go unnoticed. A handsome all-black design which never goes out of style. The watch is equipped with a generous range of functions which you can find listed down below. All Casio models are granted a 2-year warranty by the manufacturer and shipped in their original packaging.


  • Water-resistance: 200 m
  • 5 daily alarms + snooze
  • Auto calendar
  • Average Speed
  • Strap: resin and Case: stainless steel + resin
  • Battery life: up to 2 years
  • Countdown timer: 24 hours
  • Date and weekday display
  • Display illumination with auto light
  • Lap memory (up to 100 records)
  • Resistant to low temperatures (-10C)
  • Magnetic and vibration resistant
  • Stopwatch function: 100 h
  • World time
  • Size: 55 x 51.2 x 16.9 mm
  • Weight: 70 g
SKU 8628
Brand Casio
Case Diameter 51 mm
Category Men's watches
Movement Quarts (battery)
Glass Mineral
Luminescence No
Material Plastic
Module 5081
Shape Round
Strap material Polyurethane / Plastic
Wristband width Custom fit
Strap colour Black
Case thickness 17
Wristband length 150 - 210 mm
Case colour Black
Dial colour Black
Color Black
Water resistance 200m / 20atm
Guarantee 2 years
mpn GA-100-1A1ER