The Casio GM2100B-3A is a silver stainless steel watch that offers style, comfort, and functionality. The casual design is elevated with a meticulously detailed metallic look, sporting a green and silver modern aesthetic. The metal-clad octagonal shape pays tribute to the classic style presented in the first G-SHOCK — the DW-5000 — which debuted in 1983.
The case measures 49.3 × 44.4 × 11.8 mm, striking a balance between a comfortable fit and a noticeable presence on the wrist. The dial of the GM2100B-3A showcases a captivating and comfortable green resin band. It ensures a stylish and secure fit while adding a touch of vibrancy. The green and silver stainless steel watch contrasts with the octagonal shape for a classic appeal.
The construction of this luxury stainless steel watch offers shock-resistant durability with the mineral glass crystal. The strong bezel material provides excellent protection against everyday wear and tear. The GM2100B-3A has a water resistance rating of 200 meters, perfect for water-related activities. Not only that, but the approximate battery life is three years, proving to be long-lasting and requiring little maintenance.
Basic Information
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Case size (L× W× H)
49.3 × 44.4 × 11.8 mm -
Weight
72 g -
Case and bezel material
Resin / Stainless steel -
Band
Resin Band -
Construction
Shock Resistant -
Water resistance
200-meter water resistance -
Power supply and battery life
Approx. battery life: 3 years on SR726W X 2
Exterior
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Glass
Mineral Glass -
Other
Neobrite
Watch Features
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World time
World time
31 time zones (48 cities + coordinated universal time), daylight saving on/off -
Stopwatch
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, split time, 1st-2nd place times -
Timer
Countdown timer
Measuring unit: 1 second
Countdown range: 24 hours
Countdown start time setting range: 1 second to 24 hours (1-second increments, 1-minute increments and 1-hour increments) -
Alarm/hourly time signal
5 daily alarmsHourly time signal -
Light
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) -
Light color
LED:White -
Calendar
Full auto-calendar (to year 2099) -
Mute feature
Button operation tone on/off -
Accuracy
Accuracy: ±15 seconds per month -
Other features
12/24-hour format
Hand shift feature (Hands move out of the way to provide an unobstructed view of digital display contents.)
Regular timekeeping:
Analog: 2 hands (hour, minute (hand moves every 20 seconds)), 1 dial (day)
Digital: Hour, minute, second, pm, month, date