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https://strapchange.com/what-are-watch-jewels-what-does-21-jewels-mean/
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; which …
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 25, 2021 · What does 21 jewels mean in a watch? Similar to a 17-jewel watch that has a fully jeweled movement, but also has a few extra capstones added which are used to reduce positional errors. These extra stones are often found in higher-quality watches. Are more jewels in a watch better?Estimated Reading Time: 6 mins
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
https://www.professionalwatches.com/jewels-in-watches/
Dec 29, 2020 · Even some quartz watches have jewels. At the turn of the 20th century, you could buy pocket watches with anywhere from 0 to 25 jewels. Inexpensive “Dollar Watches” usually had no jewels. The most economical jeweled pocket watches had 7 Jewels. A good quality watch had 15 or 17 jewels and high-end watches had between 19 and 23 Jewels.Estimated Reading Time: 12 mins
https://timepiecelegacy.com/are-watch-jewels-worth-anything/
21 jewels in a watch simply mean that there are 21 jewels in the watch that acts as a friction point. Most 21 jewel watch comes with a certain complication that requires that many jewels in the watch.
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.Estimated Reading Time: 7 mins
https://www.thewatchsite.com/threads/21-vs-23-jewel-watches.9288/
Oct 09, 2010 · The jewels don't determine the accuracy of the watch. Typically the 7s26 (21 jewels) and the 7s36 (23 jewels) have the same exact accuracy spec of -15/+25 seconds per day or thereabouts. Accuracy in a mechanical watch is more of a function of how it is regulated and adjusted (or not) at the factory for postional variance and temperature.Estimated Reading Time: 2 mins
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