Rolex Datejust Silver Diamond Dial 18K Yellow Gold and Steel Automatic Ladies Watch 178343SDO. 18kt yellow gold and stainless steel case with a 18k yellow gold and stainless steel bracelet. Fixed bezel set with diamonds bezel. Silver dial with gold-toned hands and Roman numeral hour markers. Automatic movement. Scratch resistant sapphire crystal. Screw down crown. Case diameter: 31 mm. Round case shape. Deployment clasp. Water resistant at 100 meters / 330 feet. Functions: date, hour, minute, second.