Casio G-SHOCK 55mm Duo Chrono Men's Watch - GA100BY-1A
Casio G-SHOCK 55mm Duo Chrono Men's Watch - GA100BY-1A
Casio G-SHOCK 55mm Duo Chrono Men's Watch - GA100BY-1A
Casio G-SHOCK 55mm Duo Chrono Men's Watch - GA100BY-1A
Casio G-SHOCK 55mm Duo Chrono Men's Watch - GA100BY-1A
Casio G-SHOCK Duo Chrono Watch - GA100BY-1A

Casio G-Shock

Casio G-SHOCK 55mm Duo Chrono Men's Watch - GA100BY-1A

Sale price$183.00 AUD Regular price$229.00 AUD
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SKU: GA100BY-1A

From G-SHOCK, the watch brand that is constantly setting new standards for timekeeping toughness, comes new bi-colour molded models with a sporty mix design theme. With these new models, basic Black brand colouring is highLighted by striking colours that are often used for high-tech sneakers and other fashion motifs. Yellow resin is molded onto the inside of the band and each mode also uses yellow for other components. These models also use orange gradations that are similar to those often seen on various types of sportswear. The GA-400BY has a colourful semi-transparent ring inside its bezel, while the GA-100BY has a gradations pattern on its face. The result of all of this is strikingly colourful designs that are sporty and attractive.

  • LED Light 
    Auto Light switch, selectable illumination duration, afterglow
  • 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 
    Countdown range: 24 hours 
    Countdown start time setting range: 1 minute to 24 hours (1-minute increments and 1-hour increments) 
    Other: Auto-repeat
  • 5 daily alarms (with 1 snooze alarm)
  • Hourly time signal
  • Full auto-calendar (to year 2099)
  • 12/24-hour format
  • Regular timekeeping 
    Analog: 2 hands (hour, minute (hand moves every 20 seconds)), 1 dial (speed) 
    Digital: Hour, minute, second, pm, month, date, day
  • Accuracy: ±15 seconds per month
  • Approx. battery life: 2 years on CR1220
  • Size of case : 55 X 51.2 X 16.9 mm
  • Total weight : 70 g
  • LED:Amber

Fast. Dispatch. Secure.

We currently provide shipping services to both Australia and New Zealand. For more details regarding our shipping policies, please refer to our dedicated 'Shipping Policy' page.

Fast. Dispatch. Secure.

We currently provide shipping services to both Australia and New Zealand. For more details regarding our shipping policies, please refer to our dedicated 'Shipping Policy' page.

Return. Refund. 30 Days.

Products must be returned within 30 days of receiving your order. They should be in their original condition, unworn, unused, with all tags still attached, and in the original packaging. For more details, please refer to our return policy.

Return. Refund. 30 Days.

Products must be returned within 30 days of receiving your order. They should be in their original condition, unworn, unused, with all tags still attached, and in the original packaging. For more details, please refer to our return policy.

Warranty. Authenticity. Packaging.

All our products are 100% authentic, come with original retail packaging, and are backed by a manufacturer’s warranty. For full details, please refer to our warranty page for watches or for jewelleries.

Warranty. Authenticity. Packaging.

All our products are 100% authentic, come with original retail packaging, and are backed by a manufacturer’s warranty. For full details, please refer to our warranty page for watches or for jewelleries.