Perpetual Submariner Date WatchRolex oyster perpetual submariner date watch in yellow gold. Reference #2160 (Inside) 16613 (Outside), Serial #A911700, 31 Jewel Automatic Movement #3 8405372, Caliber #3135, 40Mm Round Screw Back Case, Black Gilt 1000Ft=300M Dial, Applied Luminous Dot, Slash & Triangle Markers, Mercedes Skeleton Hands, Center Sweep Seconds Hand, Date Aperture @ 3, Sapphire Crystal, Yg Uni Directional Rotating Bezel W Blue Insert, Yg Crown, Ss Yg Rolex Oyster Bracelet