Swiss gold and enamel keyless lever pocket watch Circa 1926

Gold and enamel watch by Patek Philippe
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A Swiss 18 carat gold and enamel open faced keyless lever watch, circa 1926. Manual winding movement, 18 jewels, bimetallic compensation balance, swan neck regulator, wolf’s tooth winding.
Silvered matted dial with Breguet numerals, subsidiary seconds, gilt spade hands. 18k Yellow gold, engraved case band and back with black enamel. Case, cuvette, dial and movement signed by maker, case and movement numbered.
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Diameter: 44.5 mm
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Signed: Patek, Philippe & Cie Geneva Switzerland
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Patek Philippe Extract from the Archives confirming production of the present watch with silvered dial, Dauphine numerals, subsidiary second dial in 1926 and its subsequent sale in 1928.