Casio G-Shock Master Of G-Air Gravitymaster Smartphone Link Analog Tough Solar GR-B300-1A4 200M Men's Watch
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The Casio G-Shock Master Of G-Air Gravitymaster GR-B300-1A4 is a robust and feature-rich men's watch designed for aviation enthusiasts and those who demand extreme durability. This G-Shock Gravitymaster model combines rugged construction with advanced technology, making it ideal for pilots, adventurers, and anyone needing a reliable timepiece in challenging environments.
Engineered with Tough Solar power, this watch harnesses light to keep it running, eliminating the need for battery changes. Its Shock Resist structure ensures it can withstand impacts and vibrations, while 200M water resistance provides peace of mind for water activities. The distinctive black and orange dial offers excellent readability and a bold aesthetic.
Key Highlights:
- Tough Solar power for eco-friendly charging
- Shock Resist for ultimate durability
- 200M Water Resistance suitable for serious water sports
- Smartphone Link for enhanced functionality
- Dual Time display for global travelers
With its combination of analog display, smart features, and legendary G-Shock resilience, the GR-B300-1A4 is a true companion for the modern explorer.
Specifications
- Brand
- Casio
- Model/Ref
- GR-B300-1A4
- Display
- Analog
- Movement
- Tough Solar
- Water Resistance
- 200m / 20ATM
- Dial Colour
- Black / Orange
- Band Material
- Resin
- Functions
- Dual Time, Smartphone Link, Shock Resist
- Gender
- Men's
How it works
What this watch’s key specs actually mean on the wrist.
Solar
Solar-powered movement
A solar cell under the dial turns any light — sunlight or a desk lamp — into power and stores it in a cell that lasts for months in the dark. You get quartz accuracy with no battery changes to think about, ever.
200m / 20 ATM
Water resistance
Rated to 200m / 20 ATM — a true dive-capable rating. It handles swimming, snorkeling and recreational scuba diving without a second thought.
Resin
Case material
Resin keeps the watch light and shock-absorbing — it takes knocks and drops that would dent metal, and shrugs off water and sweat. It's the backbone of go-anywhere, beat-on-it sports watches.
Frequently Asked
What powers the Casio G-Shock GR-B300-1A4 watch?
The Casio G-Shock GR-B300-1A4 is powered by Tough Solar technology, which converts light into energy, ensuring the watch runs without the need for battery replacement.
Is the Casio G-Shock GR-B300-1A4 suitable for swimming?
Yes, with a water resistance of 200m / 20ATM, this watch is suitable for serious water sports, including swimming and diving.
What is the key feature of the G-Shock Gravitymaster series?
The G-Shock Gravitymaster series, including the GR-B300-1A4, is known for its extreme durability, shock resistance, and features tailored for aviation and demanding environments.
Does this watch have smart features?
Yes, the Casio G-Shock GR-B300-1A4 includes Smartphone Link functionality, allowing it to connect with your smartphone for enhanced features.
What is the band material of this G-Shock watch?
The band of the Casio G-Shock GR-B300-1A4 is made from durable resin, designed for comfort and resilience.
This piece ships through our authorized dealer network. All applicable customs and import fees are already included in the price shown, so nothing extra is owed when your order is delivered.
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