Ultra thin 18 Carat yellow gold open faced dress watch Circa 1955

Gold keyless lever dress watch by Audemars Piguet
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A fine, ultra thin, manual wind, Swiss 18 Carat yellow gold pocket watch, circa 1955.
A polished case, rounded bezel, triangular pendant and a knife edge band. A matte silver dial with applied baton indexes and yellow gold baton hands. And a rhodium plated movement, Geneva striping decoration, lever escapement.
Dial, case and movement signed.
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Diameter: 47 mm
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Signed: Audemars Piguet