Rolex Oyster Perpetual Air-King Pool Intairdril Logo Dial Ref. 5500The Air King has been in the Rolex lineup since it was introduced in the 1940s to pay respect to the Royal Air Force pilots who took part in the Battle of Britain. This is an interesting Air King as it was an employee gift from Pool Intairdril, an oil servicing company. It supplied the labour, rigs, and plant equipment to the big oil companies including Occidental, Agip, and the Libyan NOC (National Oil Company). The watches were given to Pool