Circa 1937 Longines Lindbergh Hour Angle Vintage Navigation Watch
Longines Hour Angle Features:
Circa 1937 – Rare Longines Lindbergh Hour Angle Watch with Original Dials, Rotating Bezel and Longines Swiss Made 11.68Z Manual Wind Movement. Triple Signed Longines on the Dial, Case and Movement. The Lindbergh Hour Angle Watch was designed by Col. Charles A. Lindbergh in Collaboration with Philip Van Horn Weems as a Navigational Aid for Pilots, whether civilian or military. When 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.
10K Gold Filled Case and Back with Engraved Rotating Bezel that Once Contained Red Enamel Numbering. There is a bit of the red still showing. Original Crown at 2:00 Turns the Small Inner Dial. The case shows wear to the lugs and there is an engraving that Longines included on the rear that is difficult to read but says: Lindbergh Longines Hour Angle Watch – Invented by Col. Chas A Lindbergh. Rare Case.
Beautiful Original Dials Show Nice Even Patina. Outer Dial has Roman Numeral Hours and Faded 180 Degree Markings. Signed Longines, Swiss. Inner Dial Rotates by Using the Original Crown at 2:00. Original Blue Steel Hands.
Longines Caliber 11.68Z Swiss Made 15 Jewel Manual Wind Movement Signed Longines Watch Co Swiss. Also Stamped LXW on the Balance (Longines Swiss Factory Export Code).
33m Diameter Rotating Bezel (Excluding Crown) x 40mm Top to Bottom. 16mm Lug Spacing.
Serviced and in Very Good Condition with Dial Fading and Case Wear. Comes with a 1 Year Mechanical Warranty.