First released in 2004, the Double Tourbillon 30° features a 30° inclined tourbillon cage that revolutionised the market, especially for the manufacture of tourbillons wristwatches. The double tourbillon 30° vision took more than 4 years of research and development. It features a tourbillon within a tourbillon, which permanently compensates the rate of gravity related errors. The double tourbillon is inclined at 30° and is a patented tourbillon system. The inner carriage is rotating once every 60 seconds and the exterior tourbillon carriage turns in a 4 minute period. The movement showcases this extraordinary mechanism and is entirely finished with plates and bridges made of solid nickel silver. The double tourbillon today is very sought after, due to its relatively small size comparing to other tourbillons on the market.