WatchesAtlas / Watch knowledge
The Watch Encyclopedia
Understand the details that make a watch.
10 terms
Clear filtersCalendar corrector
A control used to adjust a calendar indication independently of ordinary time setting.
Complications & displaysCaller GMT
A GMT configuration with an independently adjustable additional time-zone hand.
Complications & displaysCathedral gong
A repeater gong arranged with an extended path around the movement or case.
Complications & displaysCelestial chart
A representation of the night sky, sometimes driven to show its changing relationship to time.
Complications & displaysChronograph
A function measuring elapsed time independently of ordinary time display, typically with start, stop and reset controls.
Complications & displaysCompass
A function providing directional information, either through a magnetic sensor or another calibrated method.
Complications & displaysCompass bezel
A bezel carrying directional markings to assist an appropriate compass or orientation method.
Complications & displaysComplete calendar
A calendar displaying weekday, date and month, without necessarily correcting automatically for different month lengths.
Complications & displaysComplication
A watch function beyond basic time indication, such as a calendar, chronograph or additional time-zone display.
Complications & displaysCountdown timer
A function counting down from a selected interval rather than accumulating elapsed time.