Swiss 18k gold dress watch with a gold chain Circa 1951

Gold open faced lever pocket watch
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A fine Swiss, 18K yellow gold keyless dress watch with a gold chain, circa 1951. A solid, polished and modern case, engraving on the back, domed crystal. Matte silver dial with applied yellow gold baton indexes, subsidiary seconds dial outer minute division. Yellow gold dauphine hands. A rhodium-plated movement, Geneva striping decoration, 18 jewels, straight-line lever escapement, cut-bimetallic compensation balance with flat balance spring. Dial, case and movement signed.
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Diameter: 43,8 mm
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Signed: Patek Philippe  Genève