1956 Longines Ref.6630 Steel 47.5mm Pilot wrist watch 24hour-Black dial made for Swiss Air

This is a pristine Longines Swiss Air watch manufactured in 1956. Longines, known for its involvement in pilot and military watches over the years, produced the Ref. 6630 "Swiss Air" specifically for the Swiss national airline, Swiss Air. The watch features a commanding oversized case with a double case back. The inner case back bears a unique serial number shared with the outer case back, while the outer case back is engraved with "SWISS AIR" and an issue number.
The watch is equipped with a 24-hour Caliber 37.9s movement, designed for enhanced usa
bility, visibility, and functionality. Its distinctive design not only reflects functionality but also stands out as a testament to Longines' creativity and presence among various models.
It is believed that fewer than 100 of these watches were ever produced, and this particular piece is exceptionally rare, being in near-unused original condition. It comes with a Swiss Air-specific box, a leather strap that appears to be from the time of manufacture, and archives, making it a truly super rare item.
This watch is also featured in "LONGINES LEGENDARY WATCHES," a publication by renowned collector John Goldberger, further enhancing its collectible value on a global scale.erger.