The GMA-S2100 is a smaller women’s version of the bestselling GA-2100 and shares the same features. It is one of the thinnest and lightest G-Shock watches available.
Size: Small Dimensions (L x W x H): 46.2 x 42.9 x 11.2 mm Weight:Â 41 grams Module:5611 (instruction manual at casio.com) Battery Type (Lifespan): SR726W X 2 (approx. 3 years) Series Launch Year: 2021 Nickname: Mini CasiOak
Notable Features: Carbon Core Guard, World Time, 1/100-Second Stopwatch, Timer, 5 Daily Alarms, Double LED Light
See full specifications for GMAS2100P-4A under “Additional information” tab above.
The GMA-S2100 is a smaller women’s version of the bestselling GA-2100 and shares the same features. It is one of the thinnest and lightest G-Shock watches available.
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.
1 second (after first hour), 1/100 second (first hour)
23:59’59”
1st-2nd place times, elapsed time, split time
Countdown Timer
1 second
24 hours
1 second to 24 hours
1 second
5 Daily
Hourly Time Signal
1.5 or 3 Second Afterglow, Double LED, LCD Backlight, LED, Super Illuminator
White
Full Auto Calendar to 2099
Button Tone On/Off
Hand Shift
12/24-Hour Format
145 to 215
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Some specs for individual models may differ within a series, such as price, materials, weight, etc. Dollar prices are in U.S. currency unless otherwise noted. Click the link icons in the gallery images for articles on specific models. Gallery images with "(casio.com)" are linked to an official Casio product page. Follow your country's official G-Shock site (gshock.casio.com) for more release information. About The Specs Catalog | Features Glossary | Specs Home
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8Expert Score
The GMA-S2100 offers the minimalist style of the GA-2100 in a smaller form factor but has the same limitations.
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