18kt yellow gold case with a 18kt yellow gold oyster bracelet. Unidirectional rotating 18kt yellow gold bezel with cerachrom top ring. Black dial with luminous hands and dot hour markers. Minute markers around the outer rim. Dial Type: Analog. Luminescent hands and dial markers. Date displays 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. Oyster clasp. Water resistant at 300 meters/ 1000 feet. Functions: hours/ minutes/ seconds/ date. Luxury watch style. Watch label: Swiss Made. Rolex Submariner Black Index Dial Oyster Bracelet 18kt Yellow Gold Mens Watch 116618BKSO.