Casio G-Shock Carbon Core Guard Structure Black Resin Band Watch GA2100-1A2 GA-2100-1A2
Casio G-Shock Carbon Core Guard Structure Black Resin Band Watch GA2100-1A2 GA-2100-1A2
Casio G-Shock Carbon Core Guard Structure Black Resin Band Watch GA2100-1A2 GA-2100-1A2
  • Load image into Gallery viewer, Casio G-Shock Carbon Core Guard Structure Black Resin Band Watch GA2100-1A2 GA-2100-1A2
  • Load image into Gallery viewer, Casio G-Shock Carbon Core Guard Structure Black Resin Band Watch GA2100-1A2 GA-2100-1A2
  • Load image into Gallery viewer, Casio G-Shock Carbon Core Guard Structure Black Resin Band Watch GA2100-1A2 GA-2100-1A2

Casio G-Shock Carbon Core Guard Structure Black Resin Band Watch GA2100-1A2 GA-2100-1A2

Regular price
$173.90
Sale price
$173.90
Regular price
$186.00
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Unit price
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Shipping calculated at checkout.

Make a splash with color set against matte black in a special design that pops with neon accents.


The octagonal shape and streamlined design of the GA-2100 puts on textured matte black and vibrant neon color for a stylishly cool new look. Hour and minute hands with phosphorescent paint stay visible in the dark to keep you on your game all day and night.

Case / bezel material: Carbon / Resin 
Resin Band
Mineral Glass
Shock Resistant
Carbon Core Guard structure
200-meter water resistance
Double LED light
LED light for the face (Super illuminator, selectable illumination duration (1.5 seconds or 3 seconds), afterglow)
LED backlight for the digital display (Super illuminator, selectable illumination duration (1.5 seconds or 3 seconds), afterglow)
Hand shift feature (Hands move out of the way to provide an unobstructed view of digital display contents)
World time
31 time zones (48 cities + coordinated universal time), daylight saving on/off
1/100-second stopwatch
Measuring capacity:
00'00''00~59'59''99 (for the first 60 minutes)
1:00'00''~23:59'59'' (after 60 minutes)
Measuring unit:
1/100 second (for the first 60 minutes)
1 second (after 60 minutes)
Measuring modes: Elapsed time, split time, 1st-2nd place times
Countdown timer
Measuring unit: 1 second
Countdown range: 24 hours
Countdown start time setting range: 1 second to 24 hours (1-second increments, 1-minute increments and 1-hour increments)
5 daily alarms
Hourly time signal
Full auto-calendar (to year 2099)
12/24-hour format
Button operation tone on/off
Regular timekeeping
Analog: 2 hands (hour, minute (hand moves every 20 seconds)), 1 dial (day)
Digital: Hour, minute, second, pm, month, date
Accuracy: ±15 seconds per month
Approx. battery life: 3 years on SR726W × 2
Size of case : 48.5×45.4×11.8mm
Total weight : 51g
Casio G-Shock Carbon Core Guard Structure Black Resin Band Watch GA2100-1A2 GA-2100-1A2
Casio G-Shock Carbon Core Guard Structure Black Resin Band Watch GA2100-1A2 GA-2100-1A2
Casio G-Shock Carbon Core Guard Structure Black Resin Band Watch GA2100-1A2 GA-2100-1A2
Casio G-Shock Carbon Core Guard Structure Black Resin Band Watch GA2100-1A2 GA-2100-1A2

Casio G-Shock Carbon Core Guard Structure Black Resin Band Watch GA2100-1A2 GA-2100-1A2

$186.00
$173.90
Make a splash with color set against matte black in a special design that pops with neon accents.


The octagonal shape and streamlined design of the GA-2100 puts on textured matte black and vibrant neon color for a stylishly cool new look. Hour and minute hands with phosphorescent paint stay visible in the dark to keep you on your game all day and night.

Case / bezel material: Carbon / Resin 
Resin Band
Mineral Glass
Shock Resistant
Carbon Core Guard structure
200-meter water resistance
Double LED light
LED light for the face (Super illuminator, selectable illumination duration (1.5 seconds or 3 seconds), afterglow)
LED backlight for the digital display (Super illuminator, selectable illumination duration (1.5 seconds or 3 seconds), afterglow)
Hand shift feature (Hands move out of the way to provide an unobstructed view of digital display contents)
World time
31 time zones (48 cities + coordinated universal time), daylight saving on/off
1/100-second stopwatch
Measuring capacity:
00'00''00~59'59''99 (for the first 60 minutes)
1:00'00''~23:59'59'' (after 60 minutes)
Measuring unit:
1/100 second (for the first 60 minutes)
1 second (after 60 minutes)
Measuring modes: Elapsed time, split time, 1st-2nd place times
Countdown timer
Measuring unit: 1 second
Countdown range: 24 hours
Countdown start time setting range: 1 second to 24 hours (1-second increments, 1-minute increments and 1-hour increments)
5 daily alarms
Hourly time signal
Full auto-calendar (to year 2099)
12/24-hour format
Button operation tone on/off
Regular timekeeping
Analog: 2 hands (hour, minute (hand moves every 20 seconds)), 1 dial (day)
Digital: Hour, minute, second, pm, month, date
Accuracy: ±15 seconds per month
Approx. battery life: 3 years on SR726W × 2
Size of case : 48.5×45.4×11.8mm
Total weight : 51g

  FREE INTERNATIONAL SHIPPING

  FREE COURIER DELIVERY WITHIN SINGAPORE

  100% BRAND NEW AND AUTHENTIC

  1 YEAR SELLER WARRANTY*

*For Watches except Casio models with resin bands starting from MQ24, MW59, MW240

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