Karrusel is a type of watch complication that uses a rotating disc with a fixed pinion to transfer energy from the mainspring to the escapement. It was invented in 17th century by Christiaan Huygens, and is one of the oldest movements still in production. It is most commonly found in pocket watches, and is prized for its accuracy and beauty. The Karrusel movement is similar to the tourbillon, but instead of the entire escapement rotating, only the disc does. This allows it to have a longer power reserve.
