Description
Description
The CASIO G-SHOCK GM-2100BB-1AJF transforms the iconic octagonal G-SHOCK platform through a stealth-inspired blackout design. Based on the Metal Covered series, the watch features an octagonal metal bezel finished with black ion plating, creating a more refined and fashion-oriented interpretation of the modern G-SHOCK aesthetic. Unlike standard resin models, the layered black treatment delivers a stronger premium appearance while maintaining the signature toughness associated with the collection.
Powered by a dependable analog-digital quartz movement, the GM-2100BB-1AJF balances practical everyday functionality with G-SHOCK durability. World time, stopwatch, timer, alarms, and a hand shift feature improve usability while preserving a clean dial layout. Its Carbon Core structure and shock-resistant architecture provide long-term reliability with minimal maintenance.
Designed for users seeking a more understated yet premium G-SHOCK experience, the all-black styling transitions naturally between streetwear, casual outfits, and everyday use. Within the Metal Covered lineup, the GM-2100BB-1AJF remains one of the strongest stealth-style releases in the 2100 series.
Key Specifications
- Case: 49.3 × 44.4 × 11.8 mm, 72g, Carbon Core Guard / Metal Covered construction
- Bezel: Metal bezel with Black IP coating
- Band: Black resin band, buckle clasp
- Water resistance: 20 ATM (200m)
- Movement: Analog-Digital Quartz, battery powered
- Battery/Power: Approx. 3 years battery life
- Accuracy: ±15 sec/month
- Display: Analog-Digital blackout display
- Functions: World Time, Stopwatch, Countdown Timer, Alarm, Full Auto Calendar, Hand Shift
- Special features: Shock Resistance, Carbon Core Guard, Black IP, Metal Covered
- Illumination: Double LED Super Illuminator (white)
- Glass: Mineral glass
- Origin: Japan Domestic Market (JDM)
- Model Code: GM-2100BB-1AJF
- Release date: February 2023
Key Highlights
The GM-2100BB-1AJF stands out through its full blackout execution, transforming the familiar octagonal G-SHOCK profile into a more premium and minimalist statement piece. Compared with standard 2100 models, the black IP metal bezel adds greater visual depth and stronger lifestyle appeal.
Its Metal Covered architecture and Carbon Core construction combine durability with everyday wearability. The watch preserves G-SHOCK toughness while offering a more tactical yet refined appearance.
On the wrist, the slim octagonal profile wears comfortably while maintaining stronger visual presence than conventional resin models. Community discussions around the GM-2100BB frequently highlight the appeal of the stealth-black finish and premium feel.