Manufactured by Longines Wittnauer for the U.S.Air Force in 1941.The company was established in New York in 1890 by Albert WITTNAUER (1856-1908), a Swiss clockmaker. The company produced watches, clocks and aircraft instruments.

Frequently seen as Officer's Compass and likely carried as part of a survival kit for U.S. Aviators.

(MFR'S = Manufacturer's) see reverse