Fine Swiss 18 carat gold hunting cased keyless watch Circa 1900

Gold lever pocket watch
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A fine Swiss 18 carat gold hunting cased keyless pocket watch made by Edward Koehn in Geneva, circa 1900. The rhodium plated movement with 17 jewels, wolf’s tooth winding, a counterpoised straight line lever escapement, cut bimetallic compensation balance, blued steel Breguet balance spring with overcoil and swan neck micrometer regulator. White enamel dial with Roman hour numerals, an outer minute track, subsidiary seconds at 6 o’clock and original blued steel spade hands. A polished case with the foliate engraved monogram CW on the front and a hinged gold cuvette with the inscription In kind remembrance of John H. Harjes April 7-1896 in black champlevé. Dial, cuvette and movement signed, case numbered.
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Diameter: 50 mm
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Signed: Ed. Koehn Succ.or. of H.R. Ekegrén Geneva
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Edward Koehn (1839-1908) was the son of Karl Koehn, a watchmaker to the court of the Grand Duchy of Saxe-Weimar-Eisenach. He came to Geneva in 1859 and studied at the Ecole d’Horlogerie.
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In 1861, he began working at Patek Philippe as a mere employee. After 15 years of loyal service, he became director.
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In 1891, Edward left Patek Philippe and bought the Robert Ekegrén firm. He made very high quality flat and extra flat watches, repeating watches, chronographs and flyback chronographs. The firm, at the Grand Quai, delivered watches to Tiffany in New York, U.S.A. On June 8th, 1912, Koehn patented a watch with hanging barrel and pendant winding, as well as the Roseau under No. 31470 and the Thermindex on February 13th, 1922, under No. 51304.–