18k yellow gold diamond case with a 18k yellow gold bracelet. Diamond bezel. Black dial with gold tone hands and diamond hour markers. Date displays at the 3 o'clock position. Self-winding movement. Scratch resistant sapphire crystal. Case diameter: 26 mm. Water resistant at 100 meters/ 330 feet. Functions: hours, minutes, seconds, date. Rolex Lady Datejust Black Diamond Case Dial 18k Yellow Gold Oyster Bracelet Diamond Case and Bezel Watch 179158BKDO.