G-Shock Master Of G-Air Gravitymaster Solar – GRB300-8A2

Meet the GRAVITYMASTER GRB300-8A2 from G-SHOCK's MASTER OF G line, engineered for extreme conditions with a Carbon Core Guard structure that mirrors the resilience of aircraft carbon materials. Its carbon fiber reinforced resin case and seamless bezel are inspired by next generation aircraft, ensuring robust shock resistance and durability.

Designed for pilots, the GRB300-8A2 features a flight log memory to record location and time, and dual time functionality for monitoring two time zones at once. Bluetooth connectivity enables seamless time synchronization between home and local time via a dedicated app, simplifying global travel.

Visibility is paramount with large index marks and a metal bezel enhancing readability under varied conditions. At the 9 o’clock position, a rotary disc indicator with dual coil motor offers smooth operation, displaying alarm, stopwatch, and battery levels with precision.

Emulating cockpit instruments, its black and white color scheme with colored accents on the dial and buttons underscores its aviation inspiration, while bio based resin components promote sustainability.

Additional features include 200 meters of water resistance, Tough Solar power for uninterrupted use, and compatibility with smartphones via the CASIO WATCHES app for easy adjustments and connectivity. With world time, stopwatch, countdown timer, daily alarm, and a full auto calendar, the GRB300-8A2 meets the rigorous demands of aviators and outdoor enthusiasts alike, combining durability, functionality, and advanced technology in a single timepiece.