Casio G-Shock PRG330-1 Pro-Trek Mother Nature Watches By Brand Despite different case diameters

Despite different case diameters

and you'll stay on your game

this 41mm Khaki Navy Frogman Automatic is fitted with a black waved rubber strap evoking the moving sea surface

and so much more

we feel that by just looking at the malachite's swirls

Casio G-Shock PRG330-1 Pro-Trek Mother Nature Watches By Brand Despite different case diametersStay one step ahead of Mother Nature with the Solar Powered PRG300, incorporating Casio's new Triple Sensor Version 3 engine. Advanced CASIO original technology has allowed for a 95% smaller direction sensor and 90% reduction in sensor power consumption compared to previous models. Despite their smaller size, the new sensors in this model delivers better accuracy and energy efficiency. This model can measure Altitude in 1m increments (previously 5m)