CASIO
G-SHOCK GMAP2100ST-7A
G-SHOCK GMAP2100ST-7A
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Casio G-SHOCK – Model GMAP2100ST-7A
Slim, Stylish, and Built for Everyday Toughness
The GMAP2100ST-7A combines refined elegance with the legendary toughness G-SHOCK is known for. Featuring a slim case design, metallic dial accents, and eco-conscious materials, this timepiece offers both style and durability — perfect for active lifestyles and modern fashion.
Design Overview
This model stands out with its pearlescent matte finish on the bezel and band, complemented by a soft metallic sheen on the dial for a sophisticated, silky look. The octagonal bezel and minimalist analog-digital layout echo the iconic GA2100 series, reimagined in a compact size for exceptional comfort.
Crafted from bio-based resin, both the bezel and band reduce environmental impact while maintaining G-SHOCK’s signature shock resistance. At only 40 g, the GMAP2100ST-7A is exceptionally lightweight, making it ideal for all-day wear.
With 200-meter water resistance and a full suite of practical features, this watch is ready for everything from the office to weekend adventures.
Key Highlights
✔ Compact, lightweight design at just 40 g
✔ Pearlescent matte finish with metallic dial accents
✔ Shock-resistant structure and 200-meter water resistance
✔ Eco-friendly bio-based resin construction
✔ Analog-digital display for versatile timekeeping
✔ Full range of timers, alarms, and world time functions
Features & Specifications
Case & Band
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Size: 46 × 40.2 × 11.2 mm
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Material: Resin / Bio-based resin (case & bezel)
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Band: Bio-based resin band
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Weight: 40 g
Exterior
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Glass: Mineral Glass
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Other: Neobrite
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Compatible Band Size: 145–190 mm
Water Resistance
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200-meter water resistance
Timekeeping & Functions
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World Time: 31 time zones (48 cities + UTC), daylight saving on/off
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Stopwatch: 1/100-second (first 60 minutes), 1-second (after 60 minutes), elapsed time, split time, 1st–2nd place times
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Countdown Timer: 1-second to 24-hour range, 1-second increments, auto-repeat
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Alarms: 5 daily alarms + hourly time signal
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Calendar: Full auto-calendar (to year 2099)
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Accuracy: ±15 seconds per month
Lighting
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Double LED Light: Super Illuminator for face + LED backlight for digital display
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Light Color: White
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Selectable illumination: 1.5 or 3 seconds
Battery & Power
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Power Source: CR1025 battery
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Battery Life: Approx. 3 years
Other Features
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12/24-hour format
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Hand shift feature for unobstructed display view
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Regular timekeeping: Analog (hour, minute), Digital (hour, minute, second, pm, month, date, day)
Summary
The Casio G-SHOCK GMAP2100ST-7A offers a blend of style, comfort, and performance, with a slim profile, lightweight construction, and the rugged durability G-SHOCK is known for. Its eco-conscious build and versatile functionality make it a perfect companion for any occasion.
For more details, visit the official CASIO website here.
Warranty:
- The watch is covered by a warranty, providing assurance and protection for your purchase.
▶︎Processing Time & Shipping Policy
▶︎Refund policy
▶︎We only carry G-SHOCK USA products.
▶︎Unfortunately, we DO NOT ship internationally.
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Explore Your Favorite G-SHOCK Watches
Explore our current selection of G-SHOCK watches. If you don’t see your preferred model, check the G-SHOCK USA website, note the model number, and contact us via email or phone(415-567-2400) to place your order. Ask about our special deals!
Please note:
- We only carry G-SHOCK USA products.
- Unfortunately, we DO NOT ship internationally.

Trusted Since 1967
Our owner, Asuka Saito, is certified by both Gemological Institute of America (GIA) and Cultured Pearl Association of America (CPAA), and we also have a GIA-certified appraiser on staff. Asuka is also a color specialist, certified as a TC Color Therapist and Sensational Color.