Swiss 18 carat gold ankerchronometer pocket watch Circa 1905

Gold full hunter by Eduard Koehn
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An extremely rare and very fine Swiss 18 carat gold ankerchronometer pocket watch, circa 1905. Geneva ankerchronometer in top quality, fine adjusting device, wolf’s toothing. White enamel dial Arabic hours and outer minute divisions, subsidiary seconds, blued steel hands. Especially heavy plain case, monogrammed. Dial signed, cuvette and movement signed and numbered, case and movement with matching numbers. Comes with the, probably, original box.
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Diameter: 54.5 mm
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Weight: 140 g
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Signed: Ed Koehn Genève
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Eduard Koehn (1839-1908) succeeded with Patek Philippe from simple watchmaker to director. He was born in Germany and studied at the watchmaking school in Geneva. Afterwards, he started as a simple watchmaker with Patek Philippe and became later a partner. In 1891 Eduard Koehn bought the company H.R. Ekegren. The quality awareness he acquired during his years at Patek Philippe was reflected later in the watches he designed and manufactured himself. He delivered many of his extremely fine pocket watches to the USA, including to Tiffany in New York.