G-SHOCK GR-B300EC-1A Gravitymaster Solar Watch GR‑B300EC‑1A, 54.7 mm Black Dial, Black Bio‑Resin Strap, 200 m WR

The G‑SHOCK GR‑B300EC‑1A is a robust, no‑nonsense Gravitymaster built for pilots, adventurers, and anyone who demands peak durability and reliability. Its oversized 54.7 mm case houses a bold black dial protected by G‑SHOCK’s legendary shock‑resistant structure, giving it a commanding presence on the wrist while ensuring resilience in extreme conditions. The black bio‑resin strap pairs rugged toughness with lightweight comfort — ideal for long wear, even in demanding environments.

Designed for endurance, the watch features Tough Solar technology, ensuring it remains powered through exposure to light — natural or artificial — without the need for frequent battery changes. Rated for 200 m water resistance, the GR‑B300EC‑1A is ready for diving, heavy rain, or any water‑intensive mission, as well as everyday wear in harsh conditions.

With its minimalist analog‑digital layout, the GR‑B300EC‑1A prioritizes essential functionality and clarity over complexity, making it a reliable tool watch. Clean lines, a stealthy all‑black aesthetic, and uncompromising durability combine to make this G‑SHOCK Gravitymaster an ideal companion for extreme environments, travel, and everyday wear alike.

• Tough Solar technology keeps the watch powered by natural or artificial light, eliminating the need for frequent battery replacements.
• The watch features an oversized 54.7 mm case that delivers a bold, rugged wrist presence suitable for extreme environments.
• Its black dial is protected by G-SHOCK’s signature shock-resistant structure, ensuring durability and reliability under harsh conditions.
• A black bio-resin strap provides a combination of toughness, light weight, and long-wear comfort.
• With 200 m water resistance, the watch is suitable for diving, heavy rain, and demanding water-based activities.