18k yellow gold Vacheron Constantin round wrist watch, circa 1978, serial number 599163, 30mm in diameter. Expertly refinished silvered metallic dial with raised golden hour batons and subsidiary constant seconds register. 18k yellow gold snap back case, fully hallmarked and signed. Outstanding 18 jewel movement bearing the double seal of the City of Geneve for accuracy and is adjusted for temperature, isochronism and five positions. Case, dial, movement and leather strap all signed Vacheron Constantin.