Swiss gold hunting cased minute repeating lever Circa 1900

Gold minute repeating full hunter by Ed. Koehn
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A fine Swiss 18 carat gold hunting cased minute repeating keyless lever pocket watch, circa 1900. Nickel finished lever movement, bimetallic compensation balance, wolf’s tooth winding, minute repeating on two gongs activated by a slide in the band. Inscribed gold cuvette. White enamel dial with Roman numerals and sunken subsidiary dial. Engine turned and monogrammed case, hinged back. Dial and movement signed, case and movement numbered.
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Diameter: 52 mm
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Signed: Ed. Koehn Geneve