Description: Rolex Air-King 126900 Pre-owned Rolex Air-King ref 126900 (2025). Originally introduced in the 1940s as part of the brand’s “Air” series, the Air-King was designed to honor the pilots of the British Royal Air Force and spent much of its history as a clean, understated time-only watch closely related to the Oyster Perpetual. That changed dramatically in 2016 with the introduction of the ref. 116900, which debuted the now-famous “Bloodhound”