Movement: Quartz analog-digital Waterproof: 20 ATM waterproof Body size: length x width x thickness (excluding lugs and crown): approx. 41 x 45 x 11 mm Weight: approx. 71.5 g
Note: This description is an original paraphrase inspired by the reference listing. It is not a verbatim copy of the source page.
Overview The GM-2100B-3A Casio G-SHOCK belongs to the modern 2100 Series. It combines an analog dial with a digital display for flexible timekeeping. The watch features a durable metal bezel with a green gunmetal tone and a robust strap. A reliable quartz movement powers precise timekeeping with minimal maintenance.
Key Features
Analog hands plus a digital display for dual-time reference.
Tough Solar power to keep the watch running from ambient light.
LED backlight for clear reading in low-light conditions.
Shock-resistant construction to withstand everyday bumps and rough handling.
Water resistance suitable for daily activities and incidental water exposure.
Auto calendar pre-programmed through the year 2099 to minimize date adjustments.
12/24-hour time formats to suit user preference.
Daily alarm to help you stay on schedule.
Hourly time signal to mark the top of each hour.
1/100-second stopwatch for precise timing of activities.
World Time functionality to track time in major cities around the world.
Mineral glass or reinforced display cover to protect the screen (region dependent).
Design and Comfort
Unisex design with a modern, compact case silhouette.
Green gunmetal bezel pairs with a durable strap for a distinctive look.
Resin or metal accents finished to match the military-inspired theme.
Secure clasp and adjustable band for a comfortable, secure fit.
Display and Readability
High-contrast analog and digital readouts for quick time checks.
LED backlight ensures legibility in darkness or dim environments.
Dial layout optimized for easy viewing of time, date, and functions.
Durability and Water Resistance
Shock-resistant construction to absorb daily shocks and vibrations.
Water resistance suited for incidental exposure to water; not intended for swimming or diving.
Protective display cover guards against scratches during daily activities.
Materials and Use
Case and bezel crafted for durability with a contemporary green gunmetal finish.
Strap designed for daily wear, travel, and sports activities.
Versatile option suitable for casual, smart-casual, and active outfits.
Power, Maintenance, and Battery
Solar-assisted quartz movement for reliable, low-maintenance timekeeping.
Battery life depends on light exposure and usage of features like backlight and Bluetooth (if applicable).
Battery replacement should be performed by a qualified technician when needed.
What’s in the Box
The GM-2100B-3A watch.
User manual.
Regional packaging may vary by listing.
Care and Maintenance
Clean with a soft cloth to preserve finish and color.
Avoid prolonged exposure to solvents or high heat to protect materials.
Have any battery or solar-related service performed by a qualified technician if required.
Why Choose This Model
A contemporary interpretation of G-SHOCK with a durable, stylish green gunmetal look.
Rugged enough for daily wear, travel, and outdoor activities, with practical timekeeping features.
A versatile piece that pairs well with casual, smart-casual, and active outfits.