Rolex Air-King ref. 116900 (2018) blends aviation heritage with modern Rolex engineering. The 40mm Oystersteel case features a smooth bezel and bold black dial with Arabic numerals, green seconds hand, and yellow Rolex crown. Powered by the anti-magnetic Calibre 3131 with a 48-hour power reserve, it delivers precision and durability. Finished with an Oyster bracelet and Easylink clasp, this Air-King is water-resistant to 100 meters and stands out with its distinctive, sporty style.