The G-Shock GM-2100 is a “Metal Covered” version of the GA-2100, featuring a stainless steel bezel and resin band. Unlike the GA-2100, the GM-2100 is not a Carbon Core Guard model and has a standard resin case.
Size: Medium Dimensions (L x W x H): 49.3 x 44.4 x 11.8 mm Weight:Â 72 grams Module:5611 (instruction manual at casio.com) Battery Type (Lifespan): SR726W X 2 (approx. 3 years) Series Launch Year: 2021
Notable Features: World Time, 1/100-Second Stopwatch, Timer, 5 Daily Alarms, Double LED Light
See full specifications for GM2100-1A under “Additional information” tab above.
The GM-2100 offers a more upscale and refined style with its polished stainless steel bezel and vapor-deposited metallic dial, with the same functions as the GA-2100.
The G-Shock GM-2100 is a “Metal Covered” version of the GA-2100, featuring a stainless steel bezel and resin band. Unlike the GA-2100, the GM-2100 is not a Carbon Core Guard model and has a standard resin case.
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
Carbon Core Guard
Some specs for individual models may differ within a series, such as price, materials, weight, etc. Specs are subject to change and are not guaranteed to be accurate. Dollar prices are in U.S. currency unless otherwise noted. Gallery images labeled with "(casio.com)" are linked to an official Casio product page and not g-central.com. The casio.com/intl site is for Asia releases which may not all be released in all countries. Follow your country's official G-Shock site (gshock.casio.com) for specs on individual models and more release information. About The Specs Catalog | Features Glossary | Specs Home
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