This Rolex Sea-Dweller Deepsea 116660 watch is waterproof to a depth of 3,900 meters (12,800 feet), an engineering marvel and a true diver's watch. It houses a caliber 3135 automatic movement. The 44mm stainless steel case features a black dial with dot hour markers, a date indicator at the 3 O'clock position, a unidirectional rotatable 60-minute graduated ceramic bezel, and a scratch resistant sapphire crystal. It comes on an 8 inch stainless steel bracelet with a foldover buckle.