Longines Lindbergh Hour Angle 989.5215

A Longines Hour Angle Lindbergh Ref: 989.5215 Model: 989.5215 Serial: 24725028 Year: 1993 Case Material: Steel Case diameter: 38mm Dial: Blue and silver Numerals: Roman Movement: Automatic Functions: Latitude marking bezel Strap: Black leather Buckle: Pin Box: Yes Papers: Yes The Longines Lindbergh Hour Angle commemorates the historic Lindbergh flight. The original watch was designed by Col. Charles A. Lindbergh as a navigational aid for pilots. Used in conjunction with a sextant, a nautical almanac and a radio set for receiving the time signal, it made possible the rapid determination of the Greenwich hour angle, i.e., longitude.