TAG Heuer Men's WV215A.BD0788 Carrera Automatic Watch Quality Swiss Automatic Movement; Functions without a battery; Powers automatically with the movement of your arm Case diameter 39 millimeters, 12 millimeters thickness Stainless steel and 18k solid gold band with double locking fold-over clasp 18k solid gold fixed bezel; two tone band; sapphire crystal dial; date window Water-resistant to 165 feet (50 M)