Casio G-Shock Gravitymaster Atomic GPS Hybrid Wave Ceptor GPW-1000-2AJF Men’s Watch

You get the best of both worlds with the GPS and the radio connectivity; it can read, process and compare both types of signals, thus ensuring maximum possible level of accuracy. Its reliability and the high-impact resistant construction makes it suitable for the harshest of environments; moreover, it stands up to three types of gravitational mayhems: Shocks, centrifugal/petal forces and extreme vibrations.