For 30 years Casio G-Shock digital watches are the ultimate tough watch. Providing durable, waterproof digital watches for every activity.

G-Shock is a brand of watches manufactured by Casio, known for its resistance to shocks (e.g. hard knocks and strong vibrations). Its full form is Gravitational Shock. They are designed primarily for sports, military and outdoor adventure oriented activity; nearly all G-Shocks have some kind of stopwatch feature, countdown timer, light and water resistance.

The ProTrek line collection of watches all contain Triple Sensor Technology. Three high-sensitivity sensors calculate temperature, Altitude / Barometric Pressure and Direction with one simple push of their dedicated buttons.

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G-Shock Master of G Rangeman GW9400 Watch