Casio G-Shock Analog Gravitymaster Atomic GW-A1000A-1A Mens WatchCasio G Shock Analog Gravitymaster Atomic GW A1000A 1A Men's WatchThe GravityMaster is a radio controlled aviator concept watch where Smart Access technology comes into play full tilt! An instant access to vital information amidst any circumstances, how much ever demanding it may be. Its all about simple, electronic crown operations; you can move to and fro between settings in an instant and put it into the desired mode at the blink of an eye!