Casio G-Shock GULFMASTER Twin Sensor Mens Watch GN-1000C-8AJF - From the GULFMASTER Series of watch designed and engineered to stand up to the rigors of maritime wear comes new collection of Twin Sensor models. A digital compass takes continuous readings for 60 seconds to help find your bearings at sea, and a thermometer feature helps to keep you informed about the environment around you. A Tide Graphfeature lets you check tide conditions whenever you want, while a Moon age indicator shows a graphic representation of Moon data. Both of these functions also support activities on the sea. A hand shift feature temporarily moves hands out of the way with the press of a button for easy reading of digital display contents. From functionality to design, everything about these new GULFMASTER models supports the men of the sea and their activities in harsh environments.