Swiss gold and enamel keyless lever pocket watch Circa 1929

Gold and enamel watch by Patek Philippe
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A Swiss Yellow gold and enamel open faced keyless watch, made in 1929. 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, 18k yellow gold, engraved case band and back with blue enamel. Case, cuvette, dial and movement signed by maker, case and movement numbered.
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Diameter: 45 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, gold cubic-style numerals in 1929 and its subsequent sale in 1930.