Patek Philippe. A Rare 18k Gold United States of America Twenty Dollar Coin Watch with Champagne Dial and Breguet NumeralsSigned Patek Philippe, Genève, Ref. 803 No. Movement No. 1'167'952, Case No. 2'700'456, Manufactured in 1971Cal. 175 nickel-finished lever movement, 18 jewels, free sprung Gyromax balance, champagne dial, 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 signed34.5mm diam.