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https://strapchange.com/what-are-watch-jewels-what-does-21-jewels-mean/
Oct 07, 2018 · What does “21 jewels” mean? As all watches have many moving parts, jewels were inserted to lessen the wear and tear on the bearings and other pivot points. Meaning all the rotating parts and other high frictional points in the watch; …
http://www.swiss-watches-guide.com/21-jewel-movement.html
A 21 jewel movement was – and still is - used to help keep the watch running smoothly. Tiny synthetic gem crystals are set between many of the gears, in order to reduce friction. These gems resist temperature better than metal, and hold lubricant much longer.
https://www.prestigetime.com/blog/what-are-the-jewels-in-a-watch-for.html
Jul 16, 2021 · Around 17 stones are used on a standard mechanical jewel watch without any high-complications, in some cases, 21 jewels are used to minimize positional errors as mentioned above.Email: [email protected]
https://www.benswatchclub.com/blog/what-are-jewels-in-a-watch
Sep 01, 2020 · Approximately 17 jewels are used in basic mechanical watches, though modern watches with self-winding (automatic) capabilities will typically house 25-27 jewels. Other watches, including those with more complications, may include even more; though a higher jewel count does not necessarily indicate a higher quality watch.Estimated Reading Time: 6 mins
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