Swiss octagonal white and yellow gold dress watch Circa 1982

Gold dress watch with black dial by Vacheron & Constantin
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A fine and rare Swiss 18 carat yellow and white gold open faced keyless octagonal-shaped dress watch, circa 1982.
A rhodium-plated movement with calibre 1700 – 17”’, Geneva Striping decoration and a straight-line lever escapement. Black enamel dial with gold applied baton indexes and Roman numerals at 3, 6, 9 and 12 o’clock, an outer minutes track and original baton hands. Polished yellow gold octagonal-shaped case with white gold decoration on the corners and a cabochon sapphire-set crown.
Dial, case and movement signed.
Accompanied by an Extract from the Archives.
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Diameter: 42 mm
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Signed: Vacheron & Constantin Genève
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Cabochon is the name for a technique for cutting precious and semi-precious stones and the name for the stones obtained with this. The natural stones are first cut into a shape, for example, in a heart, oval or square form, after which layers are cut from the top until the stone has become convex. They are used to make relics visible in reliquaries. Cabochon grinding requires a grinding machine equipped with grinding wheels or grinding belts.