A gold and enamel pocketwatch by Vacheron, key wind and set, circular gold dial with black Roman numerals, to an engraved case with hand painted portrait detail, in 18ct gold, diameter 33 mm, circa 1822. The watch presents in good overall condition, with some minor deficiencies to enamel and minor scratching to surface of portrait. Curvette signed Vacheron &, Co Geneve. Number to case 69189. Eight jewels. 21.11 grams approximately. Vacheron &, Constantin was founded in 1755 in Geneva by the watchmaker and historian Jean-Marc Vacheron. In 1819, Francois Constantin join the firm. His main task was to travel to France and Italy to sell the watches. Georges Leschot came to the firm in 1839 to help accomplish the biggest challenge of the time, the mechanical manufacture of watch parts. In 1880 the firm adopted the cross of Malta as their emblem. In this period, they were pioneers in the development of the watch-bracelet. Today they remain innovators, creating high quality pieces with all of the most complicated mechanisms such as chorongraphs, repetitions and calendars.