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https://pocketwatchdatabase.com/reference/jewels
Pocket Watch Jewels Jewels are hard minerals added to the mechanics of the watch to prevent wear at pivot and collision points. Generally, the jewel count is a direct indicator of overall quality. The standard jeweling configurations for conventional movements are described below.
https://www.prestigetime.com/blog/what-are-the-jewels-in-a-watch-for.html
Jul 25, 2021 · Cap jewels usually are used in conjunction with a pivot jewel and have a type of shock protection in place such as a spring at each end. This protects the watch in the event that the watch is dropped or gets hit by something while being worn.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
http://www.pocketwatchrepair.com/how-to/seven-jewel.php
Why 7-jewel watches can be a problem to repair. The gears on an old pocketwatch operate under a lot of spring tension, especially on 12, 16 and 18-size pocket watches with strong blue-steel mainsprings. As the watch is running, the gears turn round and round, and the steel axle of the gear under all that spring tension gradually wears away at ...
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://mb.nawcc.org/threads/pocket-watch-jewels.153774/
Aug 08, 2018 · Pocket watch jewels. Thread starter Fenner; Start date Aug 7, 2018; Sidebar. Forums. Horological Education. Watches. European & Other Pocket Watches. Fenner Registered User. Sep 25, 2012 447 5 18 Barnoldswick.Lancs Country Region. Aug 7, 2018 #1 I have a pocket watch which I am practicing on and there is a jewel missing (photo's enclosed ) I ...
https://www.etsy.com/market/21_jewel_pocket_watch
Hamilton Watch Co Pocket Watch, Dueber Silverine, Adjusted 5 Positions, 21 Jewels, 589654 on inside, JennysDadsTreasures. 5 out of 5 stars. (174) $269.00. Add to Favorites.
https://www.thesprucecrafts.com/pocket-watch-price-guide-4062353
May 13, 2020 · Jewels: The term jewel refers to the industrial grade gemstones used as bearings for gears. These minimize friction and subsequent wear on the inner watch mechanism. The higher the quality of the watch, the more jewels it will have. Some have up to 25.
http://pocketwatchcase.us/2021/07/27/illinois-18s-21-jewel-bunn-special-hunter-case-1898-pocket-watch-rr-grade-runs/
Jul 27, 2021 · Bunn Special 21 Ruby Jewels Pocket Watch. This watch was Mfg in 1898 and still winds, runs and ticks well. It was a special “Fowler’s Idan Ha Special”. Adjusted 6 positions, with beautiful coin silver case and dust cover. It is Rail Road Grade. The movement is in Gothic Black Letter.
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