Very attractive Swiss open faced lever dress watch Circa 1920

Gold keyless lever dress watch by Audemars Piguet
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A fine, rare and very attractive Swiss 14 carat gold open faced keyless lever dress watch, circa 1920. Nickel finished jewelled lever movement, bimetallic compensation balance, wolf’s tooth winding. Three-tone champagne sector dial with two pink coloured rings and black hard enamel hour markers, centred by a champagne coloured ring with railway minute divisions and a pink gloss ring. Case with inlaid black enamel Roman numerals to the enlarged bezel, snap-on back. Case, dial and movement signed..
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Diameter: 45 mm
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Signed: Audemars Piguet & Co