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Timepieces
Any item that is either worn or displayed to tell the time.
3Categories 2399Terms
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Timepieces > Watches 
gear train
Timepieces; Watches
The system of gears which transmits power from the mainspring to the escapement.
flyback hand
Timepieces; Watches
A seconds hand on a chronograph that can be used to time laps or to determine finishing times for several competitors in a race. Start the chronograph, putting both the flyback ...
escapement
Timepieces; Watches
Device in a mechanical movement that controls the rotation of the wheels and thus the motion of the hands.
electronic (quartz) watch
Timepieces; Watches
A watch, usually battery-powered, which uses an electric current to cause a quartz oscillator to vibrate, normally 32,768 Hz per second but sometimes at much higher frequencies. ...
self-winding
Timepieces; Watches
A watch with a mechanical movement (as opposed to a quartz or electrical movement). The watch is wound by the motion of the wearer's arm rather than through turning the winding ...
crystal
Timepieces; Watches
The transparent cover on a watch face made of glass crystal, synthetic sapphire or plastic. Better watches often have a sapphire crystal which is highly resistant to scratching or ...
Sub-categories
- Alarm clocks (574)
- Clocks (207)
- Watches (1616)