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--- longines_lindbergh [02.12.2022 20:43] – created - external edit 127.0.0.1
+++ longines_lindbergh [02.05.2023 17:41] (current) – gerdlothar
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+====== Longines Lindbergh ======
+{{wst>image_cr|Longines|Lindbergh}}
+{{wst>image_cr|Longines|Lindbergh gr|Longines Lindbergh, new edition of the original}}
+The **Longines Lindbergh** is an [[hour angle watch]] by [[Longines]].
+The American aviation pioneer Charles A. Lindbergh, who in [[1927]] had been the first to cross the Atlantic from New York to Paris with a single-engine airplane ("Spirit of St. Louis"), because of his experience with the problem of rapid position detection consulted the watch company [[Longines]] at the development of a special watch, by which the determination of the longitude could be made possible easily and quickly. This watch is also known as the „[[Hour angle watch]]" because the most important part in determining the longitude, the hour angle from Greenwich, can be directly read from the watch. In August [[1931]] this watch was launched under the name "Lindbergh" simultaneously in Europe and overseas.
+The brilliant design idea, how one could quickly synchronize the watch with the time signal on the radio by a central, rotating auxiliary dial, incidentally came, not by Lindbergh, but from the American commander and navigation instructor Philip van Horn Weems, after whose patent Longines had alread produced an appropriate watch in [[1927]]. (See [[Longines Weems]]).
+[[1987]], after Longines was acquired by the [[SMH]] Group, after a gap of several decades, again a collection of the [[hour angle watch]] was released to celebrate the 60th anniverary of Lindbergh's landing at Le Bourget. The watch was much smaller than the original, but provided with a [[mineral glass]] back that allowed a good view of the movement. Even a [[chronograph]] variant was presented the [[Longines Lindbergh Hour Angle Chronograph]]. Since then the watch, now equipped with a movement by [[ETA]], counts to the vital classics in the model range of the brand.
+Due to the great interest in the original model, Longines in [[1990]] also published a limited re-edition of the original, which again had the same over-sized case format of Ø 47.5 mm.
+<WRAP ud ud_mod>
+**Reference:**
+  * 989.5215 steel
+  * 989.5216 [[gold]]
+  * L2.500.5.31.3 (Ø 33 mm), steel with gold [[bezel]]
+  * L2.500.6.11.2 (Ø 33 mm), [[gold]]
+  * L2.500.6.11.6 (Ø 33 mm), [[gold]] with [[gold]] bracelet
+  * L2.600.4.11.3 (Ø 47.5 mm) [[manual winding]], steel, limited to 1,000 pieces
+  * L2.601.4.11.2 (Ø 38 mm, L 614) Stahl
+  * L2.601.4.11.6 (Ø 38 mm), steel with steel bracelet
+  * L2.601.5.31.3 (Ø 38 mm), steel with gold [[bezel]]
+  * L2.601.6.11.2 (Ø 38 mm), [[gold]]
+  * L2.601.6.11.6 (Ø 38 mm), [[gold]] with [[gold]] bracelet
+  * L2.605.4.23.2, steel, ostrich leather strap, limited to 3,000 pieces
+  * L2.607.4.71.2, steel, Louisiana crocodile leather strap, limited to 1,000 pieces
+  * L2.678.4.11.2 (Ø 47.5 mm) steel
+  * L2.678.6.11.2 (Ø 47.5 mm) [[yellow gold]]
+**Movement:**
+  * [[Self-winding]], with base calibre [[ETA 2892-2]]
+  * Also calibre L 614 (basis [[ETA 2892-A2]]), Longines Calibre L 628.1, L 989.2
+  * //Ø 47.5 mm //
+  * Calibre L 699.2, 28,800 A/h
+  * 24 [[jewels]],
+  * [[Power reserve]] 42 h
+**Case:**
+  * [[Stainless steel]], steel/[[yellow gold]], 18 ct [[yellow gold]]
+  * Ø 38 mm, H 13.5 mm (re-edition of the original Ø 47.5 mm, H 16.2 mm)
+  * Bidirectional rotating [[bezel]] with engraved scale for the calculation of the longitudes
+  * Domed [[mineral glass]] / present model [[sapphire crystal]]
+  * Caseback in [[gold]] with sighting window in domed [[mineral glass]] and hinged lid in steel
+  * [[Waterproof]] to 3 atm
+**Dial:**
+  * White with minute track
+  * Black roman numerals, blue, black and red arabic numerals
+  * [[Blued]] [[Breguet hand]]s
+**Functions:**
+  * Hours, minutes, [[central seconds]]
+  * Turning dial for the calculation of the hour angle for navigation
+**Bracelet:**
+  * Crocodile leather strap with extension, [[tang-type buckle]]
+  * Optional solid, finely structured stainless steel bracelet with clasp
+</WRAP>
+===== Literature =====
+  * [[Das ZEITGEFÜHL-Uhrenbuch]]; Autor [[Gerd-Lothar Reschke]]; ISBN 3-938607-61-0
+{{tag>Watch_models Watch_classics Longines_models Pilot's_watches}}