Unique Swiss gold lever with enamel miniature Circa 1971

Gold open faced keyless lever with enamel miniature by Suzanne Rohr
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A unique and very fine Swiss 18 carat gold open faced keyless lever pocket watch with enamel miniature after Jacques Louis David by Suzanne Rohr, circa 1971. Nickel finished lever movement stamped twice with the Geneva seal, 18 jewels. White enamel dial with Roman numerals, outer minute track and subsidiary seconds. Plain case, snap on back decorated with polychrome painted enamel miniature portrait depicting Alexandre Lenoir and marked J. Louis David, signed and dated S. Rohr 1971. Case, dial and movement signed, case and movement numbered. Comes with original Certificate of Origin.
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Diameter: 47 mm
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Signed: Patek Philippe Genève Swiss