Description
Description
The CASIO G-SHOCK GA-B2100BEG-1AJF combines the iconic octagonal “CasiOak” design with the bold styling of the Black & Electric Green series. Featuring a matte black case accented by vivid electric green highlights, the watch delivers a modern tactical-inspired appearance while maintaining the minimalist silhouette that made the GA-2100 lineup globally popular. The high-contrast display layout also improves readability and reinforces the model’s aggressive contemporary character. (casio.com)
Powered by Tough Solar technology and Bluetooth smartphone connectivity, the GA-B2100BEG-1AJF offers a highly practical low-maintenance ownership experience. Through the CASIO Watches app, the watch automatically synchronizes time, supports world time adjustments, and simplifies alarm and setting management. Combined with G-SHOCK’s shock-resistant Carbon Core Guard structure and 200-meter water resistance, the watch is built for reliable everyday performance in both urban and outdoor environments. (casio.com)
As one of the most technologically advanced variants within the octagonal G-SHOCK lineup, the GA-B2100 series continues to attract strong global demand. The GA-B2100BEG-1AJF, as a Japan Domestic Market release with distinctive seasonal coloring, combines modern connectivity, solar efficiency, and the instantly recognizable CasiOak aesthetic.
Key Specifications
- Case: 48.5 × 45.4 × 11.9 mm, approx. 52g, carbon core guard / resin (casio.com)
- Bezel: Octagonal resin bezel, matte black finish with electric green accents (casio.com)
- Band: Resin band, black (casio.com)
- Water resistance: 200m (20 ATM) (casio.com)
- Movement: Tough Solar analog-digital quartz module (casio.com)
- Battery/Power: Tough Solar rechargeable system (casio.com)
- Accuracy: Smartphone-linked automatic time correction (casio.com)
- Display: Analog-digital hybrid with electric green LCD accents
- Functions: Bluetooth smartphone link, world time, stopwatch, timer, 5 alarms, hand shift, full auto-calendar (casio.com)
- Special features: Carbon Core Guard, Tough Solar, Bluetooth connectivity, shock resistance (casio.com)
- Illumination: Double LED Super Illuminator (casio.com)
- Additional: Mineral glass, mobile link support (casio.com)
- Origin: Japan Domestic Market (JDM)
- Warranty: 1 year
- JAN/Model Code: GA-B2100BEG-1AJF
- Release date: 2026 Black & Electric Green Series