Jaeger-LeCoultre is a true manufacture with a workshop in the Vallée de Joux in Switzerland. With around 180 specialists under one roof, from movement design to case decoration, the company has developed over a thousand in-house calibers. Its technical capabilities, which produce masterpieces such as the Reverso and Polaris, as well as the highly complicated Gyrotourbillon, are unmatched in the industry, and the company is known as the "watchmaker's workshop." Founded in 1833, the company has a long history, and founder Antoine LeCoultre's micron measuring device and crownless winding mechanism revolutionized precision watch technology. Even today, the company continues to produce small quantities per year, and is known as the "brain of the watch industry" for its commitment to quality assurance through hand-engraving and 1,000-hour testing. It continues to pass on traditional techniques to the next generation.