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GA-B2100CY-1ADR
The Casio G-Shock GA-B2100CY-1ADR stands out with a bold black and yellow color scheme inspired by safety signs and emergency rescue gear. Part of the GA-B2100 series, this watch blends a rugged, urban-ready style with advanced functionality, making it a versatile choice for both casual wear and everyday performance.
Built with a Carbon Core Guard structure and resin band, the GA-B2100CY-1ADR is lightweight yet tough, offering 200M water resistance and shock resistance. Powered by Tough Solar, it ensures long-lasting performance with up to 18 months of power reserve when fully charged. With Bluetooth® connectivity, the watch links seamlessly to the CASIO WATCHES app, providing automatic time adjustment, world time in over 300 cities, reminders, and phone finder capability.
Slim at 11.9 mm and weighing only 52 g, this model combines comfort and toughness, while its vibrant yellow accents ensure your style doesn’t go unnoticed.
Glass: Mineral
Case Material: Carbon / Resin
Case Colour: Black
Strap Material: Resin
Shock Resistant
Carbon Core Guard structure
Tough Solar (Solar powered)
Mobile link (Wireless linking using Bluetooth®)
Auto time adjustment
Easy watch setting
Approximately 300 world time cities
Time & place
Reminder
Phone finder
World time
38 time zones (38 cities + coordinated universal time), city code display, city name display, daylight saving on/off, auto summer time (DST) switching, Home city/World time city swapping
1/100-second stopwatch
Measuring capacity:
00'00''00~59'59''99 (for the first 60 minutes)
1:00'00~23:59'59 (after 60 minutes)
Measuring unit:
1/100 second (for the first 60 minutes)
1 second (after 60 minutes)
Measuring modes: Elapsed time, lap/split time
Countdown timer
Measuring unit: 1 second
Countdown range: 60 minutes
Countdown start time setting range: 1 second to 60 minutes (1-second increments and 1-minute increments)
5 daily alarms
Hourly time signal
Double LED light
LED light for the face (Super illuminator, selectable illumination duration (1.5 seconds or 3 seconds), afterglow)
LED backlight for the digital display (Super illuminator, selectable illumination duration (1.5 seconds or 3 seconds), afterglow)
LED:White
Full auto-calendar (to year 2099)
Button operation tone on/off
Power Saving (display goes blank to save power when the watch is left in the dark)
Battery level indicator
Approx. battery operating time:
7 months on rechargeable battery (operation period with normal use without exposure to light after charge)
18 months on rechargeable battery (operation period when stored in total darkness with the power save function on after full charge)
Accuracy: ±15 seconds per month (with no mobile link function)
Hand shift feature (Hands move out of the way to provide an unobstructed view of digital display contents.)
12/24-hour format
Date/month display swapping
Day display (days of the week selectable in six languages)
Regular timekeeping:
Analog: 2 hands (hour, minute (hand moves every 20 seconds)), 1 dial (battery level, mode)
Digital: Hour, minute, second, pm, month, date, day
Case size: 48.5 × 45.4 × 11.9 mm
Weight: 52 g
