Swiss 18K white gold oval-shaped pocket watch Circa 1970

White gold keyless lever by Vacheron & Constantin
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An unusual Swiss 18K white gold oval shaped keyless pocket watch, circa 1970. A polished bezel with satin reverse, cabochon set winding crown. Silvered dial with painted Roman numerals and blued steel index hands. A rhodium plated movement within an oval steel holder, Geneva striping decoration, 17 jewels, Geneva seal, straight line lever escapement, blued steel balance spring adjusted to heat, cold, isochronism and five positions, and an index regulator.
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Dimensions: 47 x 35 mm
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Signed: Vacheron & Constantin  Genève