G-SHOCK
Go bold with the GM2100-1A—where rugged durability meets modern minimalism.
Refined and tough, the GM2100-1A redefines the octagonal G-SHOCK with a sleek metal-accented bezel and all-black design. Slim and stylish, this Carbon Core Guard timepiece combines a contemporary street look with the legendary G-SHOCK toughness. Whether you're on the move or taking on daily challenges, this watch stands strong while turning heads.
Dial: Black with Grey Accents
Case Diameter (L× W× H) MM: 49.3 × 44.4 × 11.8
Case Material: Carbon-reinforced Resin (Carbon Core Guard)
Bracelet: Resin Band (Black)
Construction: Shock Resistant, Carbon Core Guard Structure
Power supply and battery life: Approx. 3 years on CR2016
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:
Hand shift feature (hands move out of the way to provide an unobstructed view of digital display contents)
12/24-hour format
Regular timekeeping:
Analog: 2 hands (hour, minute – hand moves every 20 seconds)
Digital: Hour, minute, second, am/pm, month, date, day
