Rolex Oyster Perpetual Cosmograph Daytona. Model Ref 116509. 40mm diameter White gold polished case with matte shoulders water resistant to 100m / 330ft. Automatic chronometer chronograph movement, Rolex caliber 4130 power reserve 72 hours. Steell dial with black sub-dials, diamond dot hour markers outer track minute markers. Screw down winding crown and push pieces. 18ct white gold polished and matte Oyster lock bracelet. Box and papers dated May 2018.