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2. Barrel (horology) - Wikipedia

   en.wikipedia.org/wiki/Barrel_(horology)

   Plain barrel I.e. without teeth, used in fusee watches and clocks. A chain, or cord, was wound around the plain barrel, connecting it to the fusee. Going barrel The form used in modern watches, is wound by turning the arbor and drives the watch movement by a ring of teeth around the barrel.

3. Wheel train - Wikipedia

   en.wikipedia.org/wiki/Wheel_train

   In watches and some high quality clocks their arbors have jewel bearings. The going train in a modern clock or watch consists of: First or great wheel attached and ratcheted to the main spring, or cable, barrel. The ratchet allows the main spring or cable barrel to be wound without turning the wheel.

4. Fusee (horology) - Wikipedia

   en.wikipedia.org/wiki/Fusee_(horology)

   A fusee (from the French fusée, wire wound around a spindle) is a cone-shaped pulley with a helical groove around it, wound with a cord or chain attached to the mainspring barrel of antique mechanical watches and clocks. It was used from the 15th century to the early 20th century to improve timekeeping by equalizing the uneven pull of the ...

5. Movement (clockwork) - Wikipedia

   en.wikipedia.org/wiki/Movement_(clockwork)

   Each specific watch movement is called a caliber. [3] The movement parts are separated into two main categories: those belonging to the ébauches and those belonging to the assortments. [2] In watch movements the wheels and other moving parts are mounted between two plates, which are held a small distance apart with pillars to make a rigid ...

6. Mainspring - Wikipedia

   en.wikipedia.org/wiki/Mainspring

   Watch movements require regular cleaning and lubrication, and the normal result of neglecting to get a watch cleaned is a watch stopped at full wind. As the watch movement collects dirt and the oil dries up, friction increases, so that the mainspring doesn't have the force to turn the watch at the end of its normal running period, and it stops ...

7. Watch - Wikipedia

   en.wikipedia.org/wiki/Watch

   The left watch has a 24-hour analog dial with a mechanical 1/6s "sweep" movement, while the right one has a more common 12-hour dial and a "1s" quartz movement. A Russian mechanical watch movement with exhibition case back, showing its movement. A so-called mystery watch, it is the first transparent watch, [50] c. 1890. The movement is fitted ...

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   Discover the latest breaking news in the U.S. and around the world — politics, weather, entertainment, lifestyle, finance, sports and much more.

9. History of watches - Wikipedia

   en.wikipedia.org/wiki/History_of_watches

   Thomas Mudge, inventor of the lever escapement. The lever escapement, invented by Thomas Mudge in 1754 [18] and improved by Josiah Emery in 1785, gradually came into use from about 1800 onwards, chiefly in Britain; it was also adopted by Abraham-Louis Breguet, but Swiss watchmakers (who by now were the chief suppliers of watches to most of Europe) mostly adhered to the cylinder until the 1860s.