WatchesAtlas / Watch knowledge
The Watch Encyclopedia
Understand the details that make a watch.
4 terms
Clear filtersMovements & mechanisms
Third wheel
An intermediate going-train wheel transmitting power between the centre wheel and fourth wheel.
Movements & mechanismsTorque
A measure of rotational force, relevant to mainspring delivery and movement operation.
Movements & mechanismsTourbillon
A mechanism placing regulating components in a rotating cage, historically designed to average certain positional errors.
Movements & mechanismsTourbillon cage
The rotating structure carrying the regulating components within a tourbillon mechanism.