Casio Men's 55mm G-Shock GA100MB-1A Watch - Black

G-Shock’s most popular large case analogue/digital series introduces a matte black watch, the GA100MB-1A. The face and band are matte black with green accents which highlight the toughness and coolness of G-Shock.


  • Casio watches
  • For men
  • Model: G-Shock
  • Model no.: GA100MB-1A
  • Movement: Digital
  • Dial colour: Black
  • Band colour: Black
  • Case colour: Black
  • Case material: N/A
  • Band material: N/A
  • Band measurement (approx. mm):
    • Width: 22
    • Length (including the face): 290
  • Case diameter (approx. mm, includes casing): 55
  • Case thickness (approx. mm): 14
  • Clasp type: Buckle
  • Water resistance: 200m
  • Shock and magnetic resistant
  • Auto LED light with afterglow
  • World time
  • 1/1000-second stopwatch
  • 4 daily alarms
  • Countdown timer
  • Hourly time signal
  • Full auto-calendar (pre-programmed until 2099)
  • 12/24 hour formats
  • Battery type: CR1220
  • Battery life: 2 years (approx.)
  • Original box: Yes
  • Country of origin: N/A
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.