Swiss 18K white gold dress watch with two-tone dial Circa 1940

White gold lever by Vacheron & Constantin
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A fine Swiss, elegant, thin, 18K white gold keyless dress watch with a two-tone dial, circa 1940. Matte silver dial with Arabic numerals, outer minute track, and subsidiary seconds. Black steel spade hands. A rhodium-plated movement, 17 jewels, straight-line lever escapement, monometallic balance, Breguet balance spring, index regulator. Dial, case and movement signed.
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Diameter: 46 mm
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Signed: Vacheron & Constantin  Genève
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The dial is slightly scratched.