Swiss 18 carat gold US twenty dollar coin watch Circa 1971

Gold coin watch by Patek Philippe
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A rare Swiss 18 carat gold United States of America twenty-dollar coin watch, circa 1971. Nickel finished lever movement, 18 jewels, free-sprung Gyromax balance. Champagne-coloured dial with Breguet numerals, all hinged within a circular case composed of a gold United States of America twenty dollar coin with the head of Lady Liberty to the cover and dated 1900, the bald eagle to the reverse and motto In God We Trust, hinged cover opened by depressing a concealed thumbpiece in the band, snap on back. Case, dial and movement signed, case and movement numbered.
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Diameter: 34.5 mm
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Signed: Patek Philippe Genève Swiss