Fine Swiss art deco platinum two-tone dial watch Circa 1934

Art deco platinum watch
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A fine Swiss art deco platinum open faced watch with a two-tone dial made in 1934, retailed by Hausmann & Cie, manual winding movement, cut mono-metallic balance. Silvered two tone dial, applied Arabic numerals and baton indexes, leaf hands, outer minute track subsidiary constant seconds, platinum case, monogram to the snap-on back, case, dial and movement signed.
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Diameter: 45 mm.
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Signed: Patek Philippe & Cie Genève
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With an Extract from the Archive confirming sale in 1937.