Rolex Sea-Dweller 4000 black dial Automatic chronometer movement, stainless steel Oyster bracelet 116600 with a Brushed and polished steel case 40mm diameter Uni-directional rotating ceramic bezel. Black dial with luminous hands and index hour markers. Minute markers around the outer rim. Dial Date display at the 3 o'clock position. Automatic movement. Scratch resistant sapphire crystal. Screw down crown. Solid case back. Case diameter: 40 mm. Round case shape. Folding oyster lock clasp. Water resistant at 1220 meters / 4000 feet. Functions: date, hour, minute, second. Purchased from a Rolex dealer in 2014 with all original box, papers and accessories.