Rolex Datejust Black Dial Automatic Stainless Steel and 18kt Gold Ladies Watch 178383BKCAJ. Stainless steel and 18kt gold case with a stainless steel and 18kt gold bracelet. 18kt yellow gold set with 46 diamond bezel. Black dial with gold-tone hands and Arabic numeral hour markers. Minute markers around the outer rim. Automatic movement. Scratch resistant sapphire crystal. Screw down crown. Case diameter: 31 mm. Concealed crown clasp. Water resistant at 100 meters / 330 feet. Functions: hours, minutes, seconds and date.