WatchesAtlas / Watch knowledge
The Watch Encyclopedia
Understand the details that make a watch.
5 terms
Clear filtersModern watch technology
Parachrom
Rolex's name for a hairspring material and related technology used in selected movements.
Modern watch technologyPerpetual calendar programming
Electronic logic maintaining calendar relationships over a defined supported date range.
Modern watch technologyPerpetual electronic calendar
A programmed calendar in an electronic watch that accounts for month lengths within a defined date range.
Modern watch technologyPower-save mode
An operating mode that reduces energy consumption, for example by stopping selected displays while timekeeping continues.
Modern watch technologyPrimary battery
A battery designed principally for use without recharging, found in many conventional quartz watches.