Product Overview
The G-Shock Casio G-Steel Solar Connected Watch (GBM2100A-1A3) blends bold industrial design with refined functionality, offering a striking balance of durability and style. Engineered for active professionals and outdoor enthusiasts, this timepiece transitions seamlessly from rugged environments to business settings, thanks to its metal-clad construction and sophisticated green metallic dial. Powered by Tough Solar technology and enhanced with Bluetooth connectivity, it delivers reliable performance without frequent charging. The use of eco-conscious bio-based resin in both the case and strap reflects a commitment to sustainability without compromising on strength or comfort.
Key Features
- Smartphone Link via Bluetooth®: Wirelessly sync with your smartphone to automatically adjust time, update world time zones, and manage alarms and timers through the dedicated app. Ideal for frequent travelers or those who value precision and convenience.
- Tough Solar Power System: Harnesses light from any source—natural or artificial—to keep the watch running indefinitely, eliminating the need for battery replacements and ensuring consistent performance in any environment.
- Metal-Clad Durability with Bio-Based Resin: Features a robust stainless steel bezel and case accents combined with a shock-resistant bio-based resin case and band, offering G-Shock’s legendary toughness in a more sustainable, lightweight form.
- 200-Meter Water Resistance: Suitable for swimming, snorkeling, and water sports, making it a reliable companion for aquatic activities and everyday exposure to moisture.
- World Time & Advanced Timekeeping: Displays 38 time zones with automatic daylight saving adjustments and allows easy swapping between home and world time cities. Includes a full auto-calendar accurate to the year 2099.
- Dual LED Lighting System: Equipped with a Super Illuminator LED for both the analog face and digital display, providing bright, adjustable illumination (1.5 or 3 seconds) with afterglow for visibility in low-light conditions.
- Comprehensive Functionality: Includes a 1/100-second stopwatch, countdown timer, five daily alarms, hourly time signal, and mute feature for discreet operation. The hand shift function temporarily moves analog hands to reveal the full digital display.
- Eco-Conscious Design: The black bio-based resin band and case components are derived from renewable plant sources, reducing environmental impact while maintaining high durability and comfort.
Technical Specifications
- Model: GBM2100A-1A3
- Case Dimensions: 49.3 × 44.4 × 11.9 mm
- Case and Bezel Material: Resin (Bio-based) / Stainless Steel
- Band Material: Black Bio-based Resin
- Glass: Mineral Glass
- Water Resistance: 200 meters
- Power Source: Tough Solar (Solar powered)
- Connectivity: Bluetooth® (Mobile Link)
- Timekeeping: Analog (hour, minute) + Digital (hour, minute, second, date, day, mode, battery level)
- Special Functions: World time (38 zones), stopwatch, countdown timer, 5 alarms, LED lighting, hand shift, power saving mode
- Weight: 6.74 ounces
- Package Dimensions: 4.25 x 3.82 x 3.31 inches
- ASIN: B0D523LKLK
- Manufacturer: G-Shock
- Date First Available: May 24, 2024
Benefits & Use Cases
This watch is built for individuals who demand reliability across diverse environments—from urban commutes to outdoor adventures. Its shock-resistant construction and solar charging make it ideal for travelers, athletes, and professionals who need a watch that keeps pace with an active lifestyle. The Bluetooth connectivity allows for effortless time synchronization and alarm management via smartphone, perfect for those crossing multiple time zones. The sleek metal and resin design ensures it pairs well with both casual wear and business attire, offering versatility without sacrificing toughness. Whether you’re tracking workout intervals with the precision stopwatch or relying on world time for international coordination, the GBM2100A-1A3 delivers consistent, dependable performance.
Important Notes
Product warranty information is available through the manufacturer’s official support page. The watch is part of the Men’s Wrist Watches category and holds a Best Sellers Rank of #1,352 in its department. Care should be taken to avoid prolonged exposure to extreme temperatures or strong magnetic fields, which may affect timekeeping accuracy. Regular cleaning of the resin band with mild soap and water is recommended to maintain appearance and hygiene. Always ensure the crown is fully pushed in and sealed before water exposure to preserve water resistance.




