Longines continues to keep a close and long-standing connection with the world of aviation. The brand has produced a large number of pilots' watches and chronographs, on-board equipment and other navigation instruments which aided the development of civil and military aviation during the first half of the 20th century.
Scratch-resistant sapphire crystal, with several layers of anti-reflective coating on both sides
Water-resistant to 10 bar
Embossed indexes and Arabic numerals
Silvered polished hands
Movement and Functions
Self-winding mechanical movement beating at 25'200 vibrations per hour, with a power reserve up to 72 hours