Casio G-Shock GA-B2100MF-1ADR

Product Overview

Bold black meets vibrant color in this tough G-SHOCK evolution. Based on the iconic octagonal silhouette, this model features a cool matte black bezel and band that provide a sharp, stealthy foundation. This understated base contrasts stylishly with fluorescent splashes of vivid blue, pink, and yellow on the hands, hour markers, and dial marks.

The GA-B2100 doesn't just look the part; it is engineered for the modern digital age. Combining Tough Solar charging and Smartphone Link functionality, this watch offers a playful yet bold design that transitions effortlessly from everyday street fashion to a futuristic, virtual-inspired aesthetic. Built with a Carbon Core Guard structure and bio-based resins, it remains exceptionally light and strong.

Major Features

• Virtual World Aesthetic: A stand-out pairing of matte black and fluorescent accents that adds a high-energy, playful touch to a professional design.
• Tough Solar Power: Harnesses light from any source to provide stable power, ensuring the watch stays running for months without a battery change.
• Smartphone Link (Bluetooth®): Seamlessly connects to your phone for automatic time adjustment, easy watch settings, and an integrated Phone Finder.
• Carbon Core Guard: A carbon fiber-reinforced resin case protects the internal module, allowing for a slim 11.9mm profile and superior shock resistance.
• Eco-Friendly Bio-Based Resin: Key components in the bezel and band are made from renewable organic resources to help reduce environmental impact.
• Double LED Super Illuminator: High-brightness white LED lights for both the analog face and digital display provide perfect visibility in the dark.

Technical Specifications

Basic Information

• Case Size (L× W× H): 48.5 × 45.4 × 11.9 mm
• Weight: 52 g (Ultra-lightweight for all-day comfort)
• Material: Carbon / Bio-based Resin
• Construction: Shock Resistant; Carbon Core Guard structure
• Power Supply: Tough Solar (Solar powered)
• Glass: Scratch-resistant Mineral Glass with Neobrite hands

Smartphone Link Features

• Auto Time Adjustment: Connects to the CASIO WATCHES app for precision local and world time.
• 300 World Time Cities: Easily swap between your home city and approximately 300 international locations.
• Time & Place: Log your current coordinates on a map with a single button press.
• Reminders: Set up to five reminders on the app that will appear on the watch display.

Watch Features

• World Time: 38 time zones (38 cities + UTC) with home city/world time swapping.
• Stopwatch: 1/100-second precision; measures elapsed time and lap/split times.
• Hand Shift Feature: Hands move out of the way to provide an unobstructed view of the digital display.
• Battery Indicator: Real-time battery level indicator on the sub-dial.
• 20-Bar Water Resistance: Fully reliable for swimming, snorkeling, and marine sports.

Stealth Design Meets Futuristic Utility

The "CasiOak" Evolution

The GA-B2100 continues the legacy of the thin, octagonal design that has become a modern icon. By integrating solar and Bluetooth technology into such a slim form factor, G-SHOCK proves that ultimate strength and advanced utility can coexist in a highly wearable profile.

Reliability in the Dark

When the lights go out, the fluorescent accents and high-brightness LEDs take over. Whether you are at an outdoor concert or navigating city streets at night, the Super Illuminator ensures your time is always clear, while the Neobrite luminous hands provide a constant, soft glow.