Casio - G-Shock Master Of G-Air Gravitymaster Smartphone Link Analog Tough Solar GR-B300-1A4 200M Men's Watch - Black
Model: GR-B300-1A4
SKU: 12900692
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Built as part of the Master of G-Air Gravitymaster series, this watch is engineered specifically for aviation-inspired toughness. The bold analog display, prominent bezel guards, and high-visibility hands and markers ensure legibility and durability in demanding environments, from cockpit conditions to everyday impact and vibration.
Integrated Bluetooth allows the watch to link with a compatible smartphone via the dedicated app, enabling automatic time adjustment, world time setting, flight log functionality, and easy configuration of alarms and timers. This connectivity ensures precise timekeeping across time zones with intuitive, app-based control.
Casio’s Tough Solar technology converts light from the sun and indoor sources into energy, reducing the need for y replacement. A high-capacity rechargeable cell, combined with a power-saving function, delivers reliable operation of all features—including Bluetooth and high-brightness LED lighting—over extended periods.
Rated to 200 meters of water resistance, the GR-B300-1A4 is suitable for swimming, snorkeling, and professional marine activity. The signature G-Shock shock-resistant structure protects the movement from drops, knocks, and strong vibrations, making it a robust choice for harsh, high-impact settings on land, in the air, or around water.
Large, contrasting hands and indexes, combined with the bold black-and-orange color scheme, provide instant readability at a glance. A high-brightness LED light illuminates the dial in low-light conditions, while the multi-hand analog layout clearly separates time, mode, and function displays for quick, intuitive operation.
The Casio G-Shock Master Of G-Air Gravitymaster GR-B300-1A4 is built for aviation-inspired toughness and everyday reliability. Its bold analog display, accented with striking orange details, delivers high-visibility readability in any environment. Smartphone Link via Bluetooth provides easy time synchronization and access to advanced functions through your phone. Tough Solar technology keeps the watch powered through light, reducing y worries, while 200-meter water resistance supports swimming, snorkeling, and harsh weather use. Shock resistance, world time, stopwatch, and alarm functions make it ideal for pilots, frequent travelers, and active lifestyles, all wrapped in a rugged, modern G-Shock design.
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