Amazing condition—Longines Lindbergh Hour Angle Pilot Watch

The well-known and rare Longines aeronatical animal- the Longines Hour Position watch, referred to as Longines Lindbergh. Designed by Longines and Lindbergh in line with the Weems design, it was a continuation of Longines’ relationship with aircraft pilots the company was the state supplier of your time instruments towards the Worldwide Aeronautical Federation (IAF) from 1919.


The Lindbergh Hour Position Watch was created by Col. Charles A. Lindbergh like a navigational aid for aircraft pilots and it was, actually, utilized by famous pilots for example Amelia Earhart and Amy Manley. Used along with a sextant, maritime almanac along with a radio to get a period signal, it made permitted for that calculation of the ‘Greenwich hour angle’ i.e. longitude.


In the aviation perspective, it’s the angular distance west of the Greenwich meridian. The earth’s full rotation is 360° – an hour or so, therefore, is definitely an ‘hour angle’ of 15°, which means that a 60° hour position, for instance, translates to 4 hours regarding the Greenwich meridian.

This stunning example dates from 1939. A 47mm sized steel case by having an onion crown, the primary dial is whitened enamel with black Roman numbers. The turning bezel is silver inlaid with enamel nu, the 15 degree times as pointed out above take presctiption a rotating bezel. The crown at 2 o’clock turns the interior dial that is adjusted for 60 seconds and 15 levels. The Lindbergh and also the Weems really arrived on the scene with two movements.


First of all, the Cal.18.69N, which enables time to become pin set by pressing the pin lower after which rotate the crown to create time, although whenever you pull the crown out, it rotates the central disc to counterbalance the time. Next, additionally, it included the Cal. 37.9, with a small wheel underneath the crown. The wheel rotates the central disc and also the time occurs the standard way by tugging the crown.

Inside this Lindbergh may be the Cal. 18.69N movement. This calibre was created by Longines from 1895 let’s start. It features a nickel-finished lever movement, 15 jewels, bimetallic compensation balance, and hinged stainless steel cuvette. Cal 18.69N enables time to become pin set (you press the pin lower after which rotate the crown to create time) while whenever you pull the crown out, it rotates the central disc to counterbalance the time.

This Lindbergh is within amazing condition. The enamel dial and Breguet-styled blued hands are vibrant, the numbers obvious, the bezel showing the fabulous patina of their age however with the amounts still clearly visible. Out of the box the case using in the Second Setting watch, it sits easily around the wrist regardless of its size. However with the additional bonus of the case back that opens to show the L699 automatic movement. It simply proves that old adage about good design.

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