Rolex Oyster Perpetual Cosmograph Daytona 116503. 40mm diameter oyster steel case, which is certified waterproof to a depth of 100 meters. White dial with index hour markers and white sub dials ringed with yellow gold. Automatic chronometer chronograph 4130 calibre movement, a movement which is fully designed and manufactured by Rolex. Yellow gold bezel, complete with tachymeter scale. Bi-metal Oyster lock bracelet. Box and papers dated March 2018.