Go sleek, refined, and ultra-modern with the GM2100-1A — the iconic octagonal G-SHOCK reimagined with a premium metal finish.
Minimal yet unmistakably rugged, the GM-2100-1A combines the slim profile of the popular 2100 series with a forged stainless steel bezel for a more elevated and sophisticated look. Designed with G-SHOCK’s signature toughness and a clean analog-digital layout, this model delivers versatile everyday styling with lightweight comfort and dependable functionality. The matte black finish paired with metallic accents creates a bold balance between streetwear edge and modern refinement.
Dial
Black analog-digital dial with minimalist layered design, metallic accents, and octagonal bezel styling
Case Diameter (L × W × H) MM
49.3 × 44.4 × 11.8
Case Material
Resin case with stainless steel bezel
Bracelet
Resin band (Black)
Construction
Shock resistant
Power Supply and Battery Life
Approx. 3 years on SR726W × 2 batteries
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
Watch Features
Stopwatch
1/100-second stopwatch
Measuring capacity: 23:59'59.99''
Measuring modes: Elapsed time, split time, 1st-2nd place times
Timer
Countdown timer
Measuring unit: 1 second
Countdown range: 24 hours
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
12/24-hour format
Button tone on/off
Regular Timekeeping
Analog: Hour, minute hands
Digital: Hour, minute, second, pm, month, date, day
