Casio GW5000HS7ER G-Shock WatchUpdate your experience of time itself with the latest in the continually evolving legacy of the very first G SHOCK, the DW 5000C, which hit the scene in 1983. These new takes on the GW 5000 deliver the same functional advances in radio controlled, solar powered timekeeping, now in fresh single tone color options. The metal case and screw lock case back are finished with diamond like carbon coating for even more outstanding abrasion resistance. The