WatchesAtlas / Watch knowledge
The Watch Encyclopedia
Understand the details that make a watch.
8 terms
Clear filtersDeadbeat seconds
A mechanism that advances the seconds hand in distinct steps rather than the usual small mechanical increments.
Movements & mechanismsDepthing
The setting of the correct distance and engagement between meshing movement wheels and pinions.
Movements & mechanismsDetent escapement
An escapement using a detent to control locking, historically important in precision marine timekeepers.
Movements & mechanismsDifferential gearing
Gearing that combines or separates rotations, used in selected winding, display and regulating mechanisms.
Movements & mechanismsDirect impulse
An escapement arrangement in which an impulse reaches the oscillator directly rather than entirely through an intermediate lever.
Movements & mechanismsDouble barrel
A movement architecture using two mainspring barrels to provide or manage stored energy.
Movements & mechanismsDouble tourbillon
A watch architecture incorporating two tourbillon assemblies or a nested arrangement, depending on the design.
Movements & mechanismsDuplex escapement
A historical escapement using separate escape-wheel tooth functions for locking and impulse.