WatchesAtlas / Watch knowledge
The Watch Encyclopedia
Understand the details that make a watch.
5 terms
Clear filtersComplications & displays
Perpetual calendar
A calendar mechanism programmed to account for month lengths and leap-year cycles.
Complications & displaysPetite sonnerie
A striking complication using a reduced automatic striking sequence compared with a grande sonnerie.
Complications & displaysPointer date
A date display indicated by a hand pointing to a numbered scale.
Complications & displaysPower-reserve indicator
A display estimating how much running energy remains in the watch.
Complications & displaysPulsometer
A scale converting the time for a stated number of pulse beats into an estimated pulse rate.