Air-King rolex-cosmograph-daytona Shinola 41mm watch featuring a

Shinola 41mm watch featuring a blue dial with white luminous indices

integrated beneath the clasp

18 kt gold applique hour markers and hands with a Chromalight display

which was also screwed onto the case for waterproofness

Air-King rolex-cosmograph-daytona Shinola 41mm watch featuring aBlack dial The Air King dial features a distinctive black dial with a combination of large 3, 6 and 9 numerals marking the hours and a prominent minute scale for navigational time readings. It bears the name Air King in the same lettering that was designed specially for the model in the 1950s. Oystersteel Rolex uses Oystersteel for its steel watch cases. Specially developed by the brand, Oystersteel belongs to the 904L steel family, alloys most