18k white gold case with a 18k white gold oyster bracelet. Fluted 18k white gold bezel. Black mother of pearl dial with silver 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 Mother of Pearl Diamond Dial 18k White Gold Fluted Bezel Oyster Bracelet Watch 179179BKMDO.