Casio G-Shock GA-B2100-3ADR

Product Overview

Upgrade the retro look you love with the octagonal GA-B2100 line. This series inherits the iconic design concept of the very first G-SHOCK but evolves for the modern era with Smartphone Link and Tough Solar power.

By combining a vintage aesthetic with cutting-edge internal engineering, this timepiece offers a sleek, minimalist profile without compromising on the legendary durability G-SHOCK is known for. It is the perfect choice for those who appreciate the original 1983 silhouette but demand today's smartest features.

Major Features

• Tough Solar Technology: High-efficiency solar panels ensure stable operation and eliminate the need for frequent battery replacements.
• Smartphone Link: Connects via Bluetooth® for automatic time precision, easy world time setup, and a handy Phone Finder.
• Carbon Core Guard: A high-strength carbon-reinforced resin case protects the module, allowing for a remarkably thin and light design.
• 20-Bar Water Resistance: Fully equipped for swimming, snorkeling, and high-pressure water environments.
• Super Illuminator: Double LED lights provide a high-brightness view of both the analog dial and digital display in the dark.
• Minimalist Design: At just 11.9 mm thick, it is one of the slimmest G-SHOCK models, fitting comfortably for both casual and formal wear.

Technical Specifications

Basic Information

• Case Size (L× W× H): 48.5 × 45.4 × 11.9 mm
• Weight: 52 g
• Case & Bezel Material: Carbon / Resin
• Band: Durable Resin Band
• Glass: Mineral Glass
• Battery Performance: Approx. 7 months on a full charge with normal use (up to 18 months in total darkness with Power Saving enabled).

Smart Connectivity

• App: CASIO WATCHES (Compatible with iOS and Android)
• Mobile Link: Wireless linking using Bluetooth® for 300+ world time cities and reminders.
• Time & Place: Log your current location and time with a simple button press on the watch.

Watch Features

• World Time: 38 time zones (38 cities + UTC) with home city/world time swapping.
• Stopwatch: 1/100-second stopwatch with measuring capacity up to 23:59'59.
• Timer: 60-minute countdown timer with 1-second and 1-minute increments.
• Alarms: 5 daily alarms and hourly time signal.
• Hand Shift: Hands move automatically to provide an unobstructed view of digital contents.
• Calendar: Full auto-calendar (to year 2099) with 6-language day display.

Design Meets Performance

The Evolution of an Icon

The GA-B2100 series takes the octagonal form of the original DW-5000C and refines it. By optimizing the high-density mounting of the circuit board, Casio has achieved a slim profile that remains shock-resistant, proving that a watch doesn't need to be bulky to be tough.

Reliable Solar Charging

Even weak light from a desk lamp is enough to keep this watch running. The Tough Solar system ensures that power-heavy features like Bluetooth® and the Super Illuminator LED are always available when you need them.

Carbon Core Guard Construction

Leveraging the strength of carbon fiber, the internal case protects the module from impact and deformation. This advanced construction allows for the use of a smaller, more refined bezel while maintaining superior structural integrity.