Rolex Oyster Perpetual Cosmograph Daytona 116500LN. Automatic 4130 Rolex Oyster Perpetual Cosmograph Daytona 116500LN0 chronometer Rolex in-house movement accurate to -2/+2 seconds per day. 40mm steel case, 72 hours power reserve. Water resistant to 100 meters. Black dial with silver ringed sub dials and a black monobloc cerachrom bezel with engraved tachymetric scale, fully resistant to fading from ultra violet light and improved scratch resistance compared with the previous stainless steel Daytona. Oyster flat three-piece links, bracelet made from 904L steel which is used in production and transport of Sulphuric acid due to its high resistance to corrosion. Folding Oysterlock safety clasp. Box and papers dated April 2017.