Description
Description:
The GA-2100-1AJF marks a pivotal evolution in G-SHOCK design, introducing a slim, octagonal case inspired by the original DW-5000 while redefining the brand’s visual identity for a modern audience. Its carbon core guard structure significantly reduces thickness without compromising durability, creating a lighter and more refined wearing experience. The matte black finish emphasizes a minimalist, tactical aesthetic that resonates across both casual and professional environments.
Functionally, the analog-digital hybrid layout enhances usability by combining intuitive time reading with digital precision. The carbon-reinforced case improves structural rigidity while maintaining comfort for long-term wear. Positioned as a versatile everyday model, the GA-2100-1AJF delivers a balance of contemporary design, durability, and practicality that has made it one of the most globally recognized G-SHOCK platforms.
Key Specifications:
- Case: 48.5 × 45.4 × 11.8 mm, 51 g; carbon core guard + resin case
- Bezel: Resin bezel, matte black
- Band: Resin band, black, pin buckle
- Water resistance: 200 m
- Movement: Quartz module 5611; battery-powered
- Battery/Power: ~3 years (SR726W ×2)
- Accuracy: ±15 s/month
- Display: Analog-digital hybrid, negative LCD
- Functions: World time (31 zones), stopwatch, countdown timer, 5 alarms, calendar
- Special features: Shock resistance, carbon core guard structure
- Illumination: Double LED light (Super Illuminator)
- Additional: Mineral glass
- Origin: Japan domestic distribution (JDM)
- Warranty: 1 year
- JAN/Model Code: 4549526241702
- Release date: 2019
Key Highlights:
The GA-2100-1AJF is widely recognized as the foundation of the “CasiOak” movement, combining heritage inspiration with a distinctly modern silhouette. Its octagonal bezel pays subtle homage to the original G-SHOCK while introducing a slimmer, more wearable profile.
The carbon core guard structure represents a major technical advancement, reducing bulk while maintaining shock resistance. This allows for improved comfort without sacrificing the toughness expected from the brand.
Its hybrid analog-digital display offers both immediate readability and functional versatility, making it suitable for a wide range of use cases—from daily wear to travel.
As one of the most accessible and design-forward G-SHOCK models, the GA-2100 continues to attract a broad audience, from first-time buyers to seasoned collectors.