Swiss platinum watch with Diamond-set dial Circa 1950

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An elegant and fine Swiss, platinum keyless dress watch with a diamond-set dial by Audemars Piguet & Co., Brassus & Genève, circa 1950. A brushed, inclined bezel, rectangular bow. Brushed silver dial with applied round and baguette diamond indexes, subsidiary seconds. White gold baton hands. Rhodium-plated movement with Geneva striping decoration, 19 jewels, straight-line lever escapement, cut bimetallic balance adjusted to temperatures and five positions, blued steel flat balance spring, index regulator. Dial, case and movement signed.