Go bold with the GA-B2100FC-3ADR — where bold color meets smart solar innovation.
Modern, rugged, and built for performance, the GA-B2100FC-3ADR features a striking green finish paired with a sleek octagonal design. Equipped with Tough Solar power and Bluetooth® connectivity, it delivers advanced functionality while maintaining the iconic durability of G-SHOCK. With its slim profile and cutting-edge features, this model is perfect for those who want style, sustainability, and smart performance in one.
Dial: Green dial with clean analog-digital layout and modern detailing
Case Diameter (L × W × H) MM: 48.5 × 45.4 × 11.9
Case Material: Carbon / Resin
Bracelet: Resin band (Green)
Construction: Shock resistant, Carbon Core Guard structure
Power supply and battery life: Tough Solar (solar powered)
Glass: Mineral glass
Gender: Men / Unisex
Water-Resistance: 200-meter water resistance
Smart Features
Bluetooth® connectivity (connects to smartphone via CASIO WATCHES app)
Auto time adjustment
Easy watch settings via app
World time (300+ cities via app)
Phone finder
World Time
38 time zones (38 cities + coordinated universal time), daylight saving on/off, auto summer time (DST) switching
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: 60 minutes
Countdown start time setting range: 1 second to 60 minutes (1-second 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 (without mobile link)
Other features:
Hand shift feature (hands move out of the way for an unobstructed view of digital display)
Battery level indicator
12/24-hour format
Regular timekeeping:
Analog: 2 hands (hour, minute), 1 dial (day)
Digital: Hour, minute, second, pm, month, date, day