G-Shock Analog-Digital 2100 Series Watch 45.4mm in Red - GA2100RRB-4A
G-Shock GA2100RRB-4A Analog-Digital 2100 Series Watch 45.4mm in Red
Make a bold statement with the G-Shock Analog-Digital 2100 Series Watch in vibrant red (GA2100RRB-4A). Designed for trendsetters and athletes who crave both style and durability, this iconic G-SHOCK combines the brand’s legendary toughness with eye-catching flair. The streamlined octagonal bezel and an intense red colorway—with a vapor deposition finish and contrasting black accents—offer a dramatic, street-savvy aesthetic. Crafted with bio-based resin components for the bezel and band, this watch is both eco-conscious and engineered for strength. Featuring shock resistance, 200-meter water resistance, world time, a double LED light, and versatile analog-digital functionality, the GA2100RRB-4A is ideal for those who demand reliability and want an accessory that stands out.
Features
- Designed for Maximum Impact
The G-Shock 2100 Series in vivid red is not just a watch—it’s a statement piece. The exhilarating red hue, created by a specialized vapor deposition finish, wraps the entire band and bezel, projecting a sense of strength and energy from every angle. Carefully contrasting black accents and an inverted LCD not only heighten the boldness of the design but also enhance legibility and infuse the watch with G-SHOCK’s signature edge.
For fans of minimalist yet powerful design, this streamlined octagonal bezel pays homage to classic G-SHOCKs while propelling the style firmly into the future. The interplay between textures and the impactful color palette means this model will effortlessly elevate both street-inspired and casual wardrobes. - Engineered for Endurance
When you wear a G-SHOCK, you expect supreme toughness—and the GA2100RRB-4A delivers. The Carbon Core Guard structure cloaks the watch’s inner workings in resilient protection, so it stands strong against life’s hard knocks. The combination of carbon and bio-based resin in the case and bezel creates a lightweight but nearly indestructible shell, while the bio-based resin band embodies both durability and forward-thinking sustainability.
With a shock-resistant design and 200-meter water resistance, this timepiece is engineered for swimmers, outdoor enthusiasts, and those who simply live life without boundaries. It’s ready to go wherever your adventures take you, from the city streets to the rugged wilderness.
Footnotes:
- *The color tone of the listed products may differ from the actual product in some cases.
General
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Dial
Strap/Bracelet
Movement
Warranty Information
Articles
Frequently Asked Questions
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This watch features a double LED light system including a Super Illuminator and Afterflow technology for enhanced visibility in low-light conditions. It also has Neobrite luminous hands and markers that glow in the dark after exposure to light.
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It is water-resistant up to 200 meters (20 Bar), making it suitable for professional marine activity, serious surface water sports, and diving without scuba gear.
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The case and bezel are made from a combination of carbon and bio-based resin, providing a lightweight yet durable structure. The band is also made of eco-conscious bio-based resin, blending sustainability with toughness.
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Yes, the watch incorporates a Carbon Core Guard structure and shock-resistant construction, designed to protect inner components from impact and ensure long-lasting durability even under rigorous conditions.
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The watch includes a full auto-calendar that automatically adjusts the date up to the year 2099, and it displays both the day of the week and the date for convenient timekeeping.