Rolex Cosmograph Daytona Ref. 116519LN – 18ct White Gold, Oysterflex, Black DialThe Rolex Cosmograph Daytona Ref. 116519LN combines the refinement of 18ct white gold with the athletic spirit of the high performance Oysterflex bracelet. This model features a deep black sunray dial contrasted by silver toned sub dials and a highly durable black Cerachrom ceramic bezel with an engraved tachymetric scale. Engineered for the world of motorsports, its 40mm case houses the legendary Calibre 4130 movement, providing a robust 72 hour