Swiss two coloured gold open faced keyless lever Circa 1923

Multi coloured gold lever watch by Patek Philippe
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A Swiss 18 carat two coloured gold open faced keyless lever watch, circa 1923. Jewelled keyless lever movement. Silvered dial, applied Arabic numerals and subsidiary seconds. Yellow gold case, the pendant and bow highlighted with white gold floral design in relief, hinged case back. Case and movement signed and numbered, dial signed.
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Diameter: 44 mm
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Signed: Patek, Philippe & Cie Geneva Switzerland