Rolex Yacht-Master (126655BKSRS) - 18kt Everose Gold case, Black Dial, 40mm. Features Black ceramic bezel insert, Luminous Breguet-style hands and hour markers, Date display at 3 o'clock, Sapphire crystal, Automatic Calibre 3235 movement (70hr power reserve, 28800 vph), Screw-down crown, Solid case back, Oysterflex bracelet, Water resistant to 100m / 330ft, Yachtmaster Series, Swiss Made.