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CASIO

G-SHOCK GBM2100-1A

G-SHOCK GBM2100-1A

Regular price $250.00 USD
Regular price $250.00 USD Sale price $250.00 USD
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Casio G-SHOCK – Model GBM2100-1A

Metal-Covered Strength with Solar Power and Smart Features

The GBM2100-1A brings a refined stainless-steel bezel, eco-conscious materials, and advanced technology to the iconic 2100 Series. Powered by Tough Solar and enhanced with Bluetooth® connectivity, it delivers reliable performance in a sleek, metal-covered design.

Design Overview

The case combines bio-based resin and stainless steel, merging environmental responsibility with outstanding durability. The octagonal bezel — a hallmark of the 2100 Series — is precisely finished for a premium look, while the black dial and silver-tone bezel offer timeless versatility.

Tough Solar technology powers the GBM2100-1A using sunlight or artificial light, reducing the need for battery changes. Bluetooth® Mobile Link ensures automatic time updates and access to advanced functions via the CASIO WATCHES app, keeping the watch precise and convenient.


Key Highlights

✔ Stainless-steel bezel with bio-based resin case for durability & sustainability
✔ Tough Solar power for eco-friendly, low-maintenance use
✔ Bluetooth® Mobile Link for automatic timekeeping and app-based controls
✔ Shock-resistant construction and 200-meter water resistance
✔ Iconic octagonal bezel with classic black dial
✔ Comprehensive timing functions for daily and travel needs


Features & Specifications

Case & Band

  • Size: 49.3 × 44.4 × 11.9 mm

  • Material: Bio-based resin / Stainless steel (case & bezel)

  • Band: Bio-based resin band

  • Weight: 72 g

Exterior

  • Glass: Mineral Glass

  • Other: Neobrite

  • Compatible Band Size: 145–215 mm

Water Resistance

  • 200-meter water resistance

Smartphone Link & Connectivity

  • Mobile Link: Wireless linking via Bluetooth®

  • App: CASIO WATCHES

  • App Functions: Auto time adjustment, easy watch setting, approx. 300 world time cities, time & place, reminder, phone finder

Timekeeping & Functions

  • World Time: 38 time zones (DST on/off, home/world swap)

  • Stopwatch: 1/100-second (first 60 minutes), 1-second (after 60 minutes), elapsed time, lap/split time

  • Timer: 1-second to 60-minute countdown, 1-second increments

  • Alarms: 5 daily alarms + hourly time signal

  • Calendar: Full auto-calendar (to year 2099)

  • Accuracy: ±15 seconds/month (without mobile link)

Lighting

  • Double LED Light: Super Illuminator for face + LED backlight for digital display

  • Light Color: White

  • Selectable illumination: 1.5 or 3 seconds

Battery & Power

  • Power Source: Tough Solar (rechargeable battery)

  • Run Time: Approx. 7 months (normal use) / 18 months (power save mode)

Other Features

  • 12/24-hour format

  • Hand shift feature

  • Date/month display swapping

  • Day display in six languages


Summary

The Casio G-SHOCK GBM2100-1A combines a sleek stainless-steel bezel, solar-powered movement, and Bluetooth® smart functions in the durable 2100 Series design. With its classic black-and-silver colorway and robust build, it’s ready for both professional and casual wear.


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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Gshock, Casio, Made in Japan

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.
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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.

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