Among the most well-known brand names in the world of Haute Horlogerie one must certainly know Vacheron Constantin. Despite the fact that the company's officials state 1755 to be the year of foundation, there is still no direct evidence to prove this fact. There are some documents kept in the company's archives that can prove Vacheron Constantin existed for sure in 18th century.

Some of the oldest documents are letters dated 1810. These were signed by Jaques-Barthelemy Vacheron. However, Vacheron Constatin, throughout its history significantly contributed with its various inventions to the world of fine watches. It was among the first to create a complicated watch.

Georges-Auguste Leschot, who joined the company in 1839, was the one whose inventions were used at a large scale withing Vacheron Constantin. Thus, having in possession exclusive inventions the company was able to decrease its costs of production and increase its output and thus sales. Among Leschot's most popular inventions was a machine that created identical interchangeable parts. Thus the need of hand-making these parts fell off.

The company continues developing new exclusive watches with sophisticated movements. Vacheron Constantin is one of the few watchmakers that make its own movements. The masters from the company's Manufacture were able to set a few records.

First they developed Kallista, a timepiece designed in 1979. This watch is considered to be one of the most expensive wristwatches in the world.

It really took some time for the developers to create Kallista. The mechanism of this watch is wounded by hand and the case set is enriched with 118 emerald-cut diamonds. For the creation of the case the designers took a gold block, weighting one kilo, from which the case was sculpted. The mechanism was created in six thousands hours and to set the watch in diamonds some of the best jewelers in the world worked for 20 months.

Kallista from Greek means "the most wonderful." Initially the watch was estimated at $5 million. Kallista was sold for $9 million. Every stone of Kallista has its own GIA (Gemological Institute of America) certificate. The designer of Kallista was Raymond Moretti. The watch weights 130 carats.

In 2005 Vacheron Constantin presented Tour de l'Ille, one of the most complicated wristwatchs in the world. With 834 parts the timepiece was able to provide 16 additional functions. The initial price was $1.5 million.