Rolex Oyster Perpetual Cosmograph Daytona 116519LN. 40mm diameter white gold case, and is water resistant to 100 meters. This model uses the 4130 automatic chronometer movement. 72 hours power reserve. Functions; Centre hour, minute and seconds hands, small seconds hand at 6 o’clock. Chronograph (centre hand) accurate to within 1/8 of a second, 30-minute counter at 3 o’clock and 12-hour counter at 9 o’clock. Stop seconds for precise time setting. Steel grey dial with black sub dials and a black monobloc cerachrom bezel in ceramic with engraved tachymetric scale. Oysterflex strap with 18ct white gold folding Oysterlock safety clasp. Box and papers dated July 2018.