The Casio G-Shock Gravitymaster GR-B300-1A is an analog-digital pilot-style watch built around Casio's Tough Solar charging system, eliminating the need for battery replacement under normal use. Its bio-based carbon and resin case is rated to 200 meters water resistance and shock-resistant to G-Shock standards, with Bluetooth connectivity for smartphone time-sync and app-based features. The rugged, aviation-inspired design and all-black finish make it suited to both outdoor use and everyday wear.
- Display : Analog-Digital
- Case Material : Bio-based Carbon / Resin
- Case Size : 59 x 54.7 x 15.7mm
- Water Rating : 200M
- Weight : 71g
- Power Source : Tough Solar
- Features : Bluetooth
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