G-SHOCK

Go sleek with the GA2100GB-1ACR—where bold gold meets urban edge.

Refined and rugged, the GA2100GB-1ACR redefines the octagonal G-SHOCK with a high-gloss black finish and striking gold dial details. Slim and stylish, this Carbon Core Guard timepiece merges a fashion-forward street look with serious G-SHOCK toughness. Whether you're out on the town or tackling your daily mission, this watch turns heads while standing strong.

Dial: Glossy Black with Gold Accents

Case Diameter (L× W× H) MM: 48.5 × 45.4 × 11.8

Case Material: Carbon-reinforced Resin (Carbon Core Guard)

Bracelet: Glossy Resin Band (Black)

Construction: Shock Resistant, Carbon Core Guard Structure

Power supply and battery life: Approx. battery life: 3 years on SR726W × 2

Glass: Mineral Glass

Gender: Men / Unisex

Water-Resistance: 200-meter water resistance

World Time: 31 time zones (48 cities + coordinated universal time), daylight saving on/off, home city/world time city swapping

Watch Features:

Stopwatch:
1/100-second stopwatch
Measuring capacity:

00'00''00~59'59''99 (first 60 minutes)
1:00'00~23:59'59 (after 60 minutes)
Measuring modes: Elapsed time, split time

Timer:
Countdown timer
Measuring unit: 1 second
Countdown range: 24 hours
Countdown start time setting range: 1 second to 24 hours (1-second/1-minute increments)

Alarm/hourly time signal:
5 daily alarms
Hourly time signal

Light:
Double LED light (Super Illuminator)
Selectable illumination duration (1.5 seconds or 3 seconds), afterglow

Light color: LED: White

Calendar: Full auto-calendar (to year 2099)

Mute feature: Button operation tone on/off

Accuracy: ±15 seconds per month

Other features: