The Waltham A-17 equipped the USAF F-86 Sabre pilots during the Korean War. The A-17 production began in 1950, following a federal tender for the US Air Force in 1949 (MIL-W-6433) won by Waltham. This very appreciated model by pilots had the initial vocation to equip the crews of long range bombers based in Europe and Asia. The first American pilot watch