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https://www.prestigetime.com/blog/what-are-the-jewels-in-a-watch-for.html
Dec 11, 2020 · A watch with 17 jewels is often called a fully jeweled watch. This means that it uses jewel (usually ruby) bearings in the mechanical movement from the balance wheel all the way to the center wheel pivot. What does 21 jewels mean in a watch?
https://www.youtube.com/watch?v=lKJmF3AuNu0
Feb 20, 2018 · Jewels in watch movements are a sign of quality. In this video the reason for watch jewels is vividly explained using a 17 jewel Timor movement. When I ope...Author: Richard Perrett Watchmaker
https://tufinawatches.com/blogs/news/what-do-jewels-in-a-mechanical-watch-mean
Jewels are the small red or clear circles that are sometimes visible the faces of various watch movements. In watch movement design and engineering, the axels and pins of numerous rotating cogs, wheels, and levers are set into holes and indentations referred to as pivots.
https://quillandpad.com/2018/06/29/the-number-of-jewels-in-a-watch-movement-indicates-value-doesnt-it-a-myth-debunked/
Jun 29, 2018 · Jewels that are added only to increase the jewel count add expense to the manufacture of the watch, without providing any real benefit. Jewels are meant to provide wear protection to friction surfaces to prevent the watch from breaking down after only a short period of time in use because it takes a gemstone longer to wear away than bare metal.
https://www.youtube.com/watch?v=1KMuz9f5viA
May 24, 2018 · What The Jewels In Your Watch Movement Mean Subscribe: https://www.youtube.com/channel/UChLmvwbXUwBvV5LTMTamHeA http://TimesTicking.com http://facebook.com/L...Author: TimesTicking
https://diefendorffwatches.com/blogs/news/what-are-jewels-in-a-watch
Watches have tiny pieces of synthetic ruby inside of them to help in the frictionless movement of the many tiny parts in your watch - 26 jewels simply means that there are 26 of them and 17 mean that there are 17 of them. Are the jewels in a watch valuable? Unfortunately, they are not valuable.
http://www.swiss-watches-guide.com/21-jewel-movement.html
For example, automatic watch or self-winding watches and other complicated models may have 24 or more jewels because of the additional moving parts. In other words, more jewels indicate a more complicated movement, which is why many watch enthusiasts are wiling to pay over the odds for them. Also, the more jewels used, the less wear there is on the watch parts. Swiss jewel movements are …
http://www.watchesandbeyond.com/watches101.asp
What does 17-jewel movement mean? In spring-powered mechanical watches, conservation of energy is practically an art form. To reduce friction, many of the spaces between gears are set with tiny synthetic gem crystals, which resist temperature changes better than metal and hold lubricant much longer.
https://www.thewatchsite.com/threads/21-jewels-meaning.10845/
Nov 30, 2016 · Jewels, in watch terms, are tiny, synthetic, non-precious stones used in watch movements as bearings. These jewel bearings wear very slowly, and reduce friction in the movement. The more jewels, the higher grade the watch is (in general). A typical good quality hand-wind or automatic watch should have about 17 jewels as a minimum.
https://www.elgin.watch/enwco/elgin-movement-grades/
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