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    Sale 1348

    Important Pocket Watches and Wristwatches

    12 November 2007, Geneva

  • Lot 398

    Longines. A rare and unusual oversized stainless steel hour angle Aviator's wristwatch with indirect sweep centre seconds

    SIGNED LONGINES, LINDBERGH MODEL, RETAILED BY A. CAIRELLI, ROMA, MOVEMENT NO. 5575368, CASE NOS. 20590 AND 22, MANUFACTURED IN 1939

    Price Realised  

    Estimate

    Longines. A rare and unusual oversized stainless steel hour angle Aviator's wristwatch with indirect sweep centre seconds
    Signed Longines, Lindbergh model, retailed by A. Cairelli, Roma, movement no. 5575368, case nos. 20590 and 22, manufactured in 1939
    Cal. 18.69N nickel-finished lever movement, 18 jewels, bimetallic compensation balance, hinged stainless steel cuvette, the white enamel dial with black Roman numerals, inner scale calibrated for 180 degrees with blue Arabic numerals, inner silvered rotating disc calibrated for 60 seconds and 15 degrees, blued steel moon-style hands, blued steel indirect sweep centre seconds hand, the large silver case with revolving bezel calibrated for 15 degrees in blue enamel and subdivisions in black enamel, hinged back, large ball-form crown, case and cuvette numbered, dial signed by maker and retailer, movement signed and numbered
    48 mm. diam.


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    According to the Archives of Longines, the present watch was sold on 18 November 1939 to Ostersetzer in Milan, at the time their agent for Italy, who must have then forwarded it to A. Cairelli in Rome.

    The hour angle watch was invented by the renowned American aviator Charles A. Lindbergh and introduced to the market in 1932. Lindbergh rose to international fame in 1927 when he became the first person to make a solo, non-stop Trans-Atlantic flight.

    As the accuracy of mechanical watches can be affected by conditions aboard ships and airplanes, the hour angle watch provided a means by which this variation could be readily calculated when used in conjunction with radio time signals.

    For an illustration of the original drawing and explanation of the mechanism see Longines by Daria Marozzi & Gianluigi Toselli, pp. 75-79.

    The model is also illustrated in Ore d'Oro 2 by Jader Barracca, Giampiero Negretti, Franco Nencini, p. 200 and in Armbanduhren - 100 Jahre Entwicklungsgeschichte by Kahlert, Mühe, Brunner, fifth edition, p. 302.