This watch is fully factory serviced in 2021, comes with service papers and extract from archive, plus an original Swiss Air Box.
It has been invoiced in 1957 to the Swissair company in Switzerland, this model is part of a limited edition designated to Swissair Pilots.

Case: Oversized 47 mm stainless steel case with downturned lugs, ensuring enhanced legibility—a critical feature for pilots.

Dial: Matte black dial featuring a 24-hour inner ring and outer Arabic 60-second divisions. The design facilitates quick distinction between day and night hours, essential for long-haul flights across multiple time zones.

Movement: Powered by the manual-winding Longines Caliber 37.9 S, a robust movement known for its precision and durability. It features 17 jewels and a hacking function, allowing pilots to synchronize time accurately.

Crown: Equipped with a large, spherical "onion" crown, designed for ease of use—even with gloved hands—a standard requirement for aviation.

Caseback: Engraved with "SWISSAIR" and an individual issue number, emphasizing its bespoke nature and direct association with the airline.