G-SHOCK Master of G – Air: Built for the Extreme

Wherever your mission takes you, the G-SHOCK Master of G – Air is designed to withstand the harshest conditions. Crafted for professionals who face extreme challenges, this GRAVITYMASTER GRB300RY delivers top-tier durability, performance, and functionality.

Inspired by next-generation aircraft, its seamless design features a Carbon Core Guard structure, offering both strength and lightweight comfort. The bold black and high-visibility yellow colorway, used in emergency rescue gear, ensures unmistakable toughness. The wide 3D face enhances readability, while Bluetooth connectivity and solar-powered technology provide effortless timekeeping and reliability.

Stay in control with dual-time display, perfect for tracking multiple time zones, a flight log memory to record routes, and a 200-meter water resistance for ultimate resilience. The shock-resistant construction, Super Illuminator LED light, and power-saving mode keep you prepared for any environment.

With smartphone connectivity via the CASIO WATCHES app, enjoy features like automatic time adjustment, a world-time function covering 300 cities, and a phone finder—ensuring you're always in sync.

Whether navigating the skies or tackling demanding missions, the GRAVITYMASTER GRB300RY is engineered to support decisive action. Power through your journey with confidence—this is the watch that never backs down.