Aviation Spirit The Air-King pays tribute to Rolexs history in aviation, combining a bold dial design with precision engineering. Its distinctive layout and robust construction make it a unique and characterful addition to the Oyster collection. Modern Tribute This 2020 reference 116900 features a 40mm case with a black dial and smooth fixed bezel. Powered by the calibre 3131 automatic movement with a 48-hour power reserve, it includes an Oyster bracelet secured by an Easylink Oysterclasp. A contemporary interpretation of a classic pilots watch.