Rolex Oyster Perpetual Yacht-Master 16628. 40mm diameter Yellow Gold case, which is water resistant to 100 meters. Automatic chronometer movement. White dial with diamond dot hour markers and Sapphire markers at the 3,6,9 and 12 positions. Bi-directional engraved bezel. 18ct Yello Gold Polished and brushed Oyster bracelet. Box and papers dated April 2001.