The G-Shock GA-B2100 is an upgraded version of the bestselling 2100 octagonal model with Tough Solar power and Bluetooth mobile link. By linking with a smartphone, the Bluetooth functions offer automatic time adjustment, a time place log, date reminders, world time with approximately 300 cities, auto summer time (DST) switching, timer and alarm settings, and phone finder.
Size: Medium Dimensions (L x W x H): 48.5 x 45.4 x 11.9 mm Weight: 52 grams Module:5689 (instruction manual at casio.com) Battery (Lifespan): Solar Rechargeable Series Launch Year: 2022 Nickname: Solar CasiOak
Notable Features: Tough Solar, Bluetooth Mobile Link, World Time, 1/100-Second Stopwatch, Timer, 5 Daily Alarms, Double LED Light
See full specifications for GAB2100-1A under “Additional information” tab above.
The G-Shock GA-B2100 is an upgraded version of the bestselling 2100 octagonal model with Tough Solar power and Bluetooth mobile link. By linking with a smartphone, the Bluetooth functions offer automatic time adjustment, a time place log, date reminders, world time with approximately 300 cities, auto summer time (DST) switching, timer and alarm settings, and phone finder.
Alarm Settings, Auto Summer Time (DST) Switching, Auto Time Correction, Hand Alignment Correction, Phone Finder, Reminder, Time & Place Log, Timer Settings, World Time (approx. 300 cities)
Home/World Time City Swap, World Time
38
38 + UTC
Auto DST Switching, DST On/Off
Stopwatch
1 second (after first hour), 1/100 second (first hour)
23:59’59”
elapsed time, lap times, split time
Countdown Timer
1 second
60 minutes
1 second to 60 minutes
1 second
5 Daily
Hourly Time Signal
1.5 or 3 Second Afterglow, Double LED, LCD Backlight, LED, Super Illuminator
The G-Shock GA-2100 was launched in 2019 and quickly reached classic status in just a few years, achieving a place alongside such long-running models like the DW-5600 from the ’80s, the DW-6900 from the ’90s, and the GA-110 from the ’10s. The GA-2100 is akin to a DW-5600 in an analog-digital form. The bezel and band of the watch borrows their shapes from the classic DW-5000 origin model, and the octagonal bezel has earned it the nickname “CasiOak” among fans.
Some specifications (price, material, weight, Neobrite, etc.) for individual models may vary within a series. Some models listed may not be available in all countries. About The Specs Catalog | Features Glossary | Specs Home
Alarm Settings, Auto Summer Time (DST) Switching, Auto Time Correction, Hand Alignment Correction, Phone Finder, Reminder, Time & Place Log, Timer Settings, World Time (approx. 300 cities)
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