Rolex Oyster perpetual Cosmograph Daytona 116528. 18ct Yellow Gold 40mm which is water resistant to 100 metres. Automatic Chronometer chronograph movement. Black dial featuring diamond hour markers, black sub-dials and luminous hands. Polished Tachymeter bezel. 18ct yellow gold Oyster bracelet with folding clasp. Box and papers dated February 2015.