Go modern and ultra-light with the GAB2100-1A — where iconic octagonal design meets next-gen solar and smart connectivity.
Sleek, minimal, and engineered for everyday performance, the GA-B2100-1A refines the classic G-SHOCK look with a slimmer profile and Carbon Core Guard structure for enhanced durability without added bulk. Powered by Tough Solar and equipped with Bluetooth Mobile Link, this model keeps you connected, precise, and ready for anything. It’s built for those who want a clean, versatile style backed by intelligent functionality and legendary toughness.
Dial: Black dial with minimal accents, analog-digital display, and clean layered index design
Case Diameter (L × W × H) MM: 48.5 × 45.4 × 11.9
Case Material: Resin / Carbon Core Guard structure
Bracelet: Resin band (Black)
Construction: Shock resistant, Carbon Core Guard structure
Power supply and battery life: Tough Solar power system (solar powered)
Glass: Mineral glass
Gender: Men / Unisex
Water-Resistance: 200-meter water resistance
World Time
38 time zones (38 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
Countdown start time setting range: 1 second to 24 hours
Alarm/hourly time signal:
5 daily alarms
Hourly time signal
Light
LED Super Illuminator (double LED light)
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 (without mobile link update)
Other features
Mobile Link (Bluetooth connectivity for automatic time adjustment and settings)
Power saving mode
Battery level indicator
12/24-hour format
Regular timekeeping:
Analog: 2 hands (hour, minute)
Digital: Hour, minute, second, pm, month, date, day
