Swiss 18K yellow gold open faced pocket watch Circa 1920

Gold open faced lever watch
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A Swiss 18 carat yellow gold open faced pocket watch, made by Zenith, circa 1920. This watch features a handwound mechanical movement with a lever escapement, consistent with Zenith’s high production standards in the early 20th century. The gilt dial displays Arabic numerals for the hours, an outer railway minute track, and a subsidiary seconds dial at 6 o’clock. The round 18 carat yellow gold case is of one piece construction, a characteristic feature of gousset watches of the period. The case is fitted without a double cuvette. The dial and movement are signed by Zenith.
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Diameter: 50 mm
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Weight: 78.5 g
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Signed: Zenith, Poinçon de Besançon
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The Poinçon de Besançon, better known as the Poinçon à tête de vipère (the viper’s head hallmark), is a prestigious chronometer certification awarded by the Besançon Observatory.