WatchesAtlas / Watch knowledge
The Watch Encyclopedia
Understand the details that make a watch.
48 terms
Clear filtersAccelerometer
A sensor measuring acceleration, used in selected watches for motion-related functions.
Modern watch technologyAlways-on display
A display mode maintaining a visible indication while managing brightness, refresh or energy consumption.
Modern watch technologyAna-digi
A display combining analogue hands with a digital readout.
Modern watch technologyBluetooth connectivity
A short-range wireless connection used by some watches to exchange data or synchronise with a compatible device.
Modern watch technologyCapacitor
An electrical component storing charge, used in selected electronic and historical energy-storage architectures.
Modern watch technologyCharge indicator
An indication of the stored electrical energy available to an electronic watch.
Modern watch technologyChronergy
Rolex's name for a particular escapement design used in selected movements.
Modern watch technologyCompanion app
A software application used to configure, synchronise or receive information from a compatible watch.
Modern watch technologyDual Impulse Escapement
Grand Seiko's name for an escapement architecture using particular direct and indirect impulse arrangements.
Modern watch technologyEco-Drive
Citizen's light-powered watch technology, using stored electrical energy generated from light.
Modern watch technologyEOL
A battery-status indication, sometimes expressed through a changed seconds-hand stepping pattern.
Modern watch technologyFirmware
The embedded software controlling an electronic watch's functions and operation.
Modern watch technologyGPS time synchronisation
Time correction using received satellite signals, with time-zone handling depending on the model.
Modern watch technologyGyroscope
A sensor measuring rotational motion or orientation changes, used in selected connected watches.
Modern watch technologyHand-position correction
A feature intended to detect or correct a mismatch between analogue hand positions and the watch's stored time.
Modern watch technologyHeart-rate sensor
A watch sensor estimating pulse-related information using its specified measurement method and operating conditions.
Modern watch technologyHybrid watch
A watch combining a conventional-looking time display with selected electronic or connected features.
Modern watch technologyInsufficient-charge warning
An indication that a rechargeable watch needs additional energy, using a model-specific display or hand pattern.
Modern watch technologyIntegrated circuit
An electronic circuit combining multiple functions on a compact semiconductor component.
Modern watch technologyKinetic
Seiko technology that converts wrist movement into stored electrical energy for a quartz-based watch.
Modern watch technologyLCD
An electronic display using liquid crystals to modulate visible light.
Modern watch technologyLED
A semiconductor light source used for illuminated displays or watch lighting.
Modern watch technologyMulti Band 6
Casio's name for a radio-controlled timekeeping system supporting specified broadcast time signals.
Modern watch technologyNFC
A short-range wireless technology used for selected contactless functions in compatible watches.
Modern watch technologyNivachron
A named hairspring-alloy technology used in selected watch movements.
Modern watch technologyOLED
A display technology in which individual organic elements emit light.
Modern watch technologyOvercharge protection
A system limiting or controlling charging once the energy-storage component reaches its specified state.
Modern watch technologyParachrom
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.