Swiss thin 18K gold open faced lever pocket watch Circa 1950

Gold keyless lever by Vacheron & Constantin
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A Swiss thin gold open faced Geneva gentleman’s pocket watch, circa 1950.
18 carat gold, polished case with push back. Signed two-tone silvered dial with applied Arabic numerals, auxiliary seconds and baton gold hands. Bridge movement, rhodium-plated, with Geneva Striping decoration, 2 adj., 17 jewels, screw compensation balance and index spring fine adjusting device.
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Diameter: 48 mm
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Weight: 66 g
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Signed: Vacheron & Constantin à Genève