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https://quillandpad.com/2018/06/29/the-number-of-jewels-in-a-watch-movement-indicates-value-doesnt-it-a-myth-debunked/
Jun 29, 2018 · Modern watch jewels. Jewels today are friction-fit into main plates and bridges, however that process only began around the 1930s. Before then jewels were “rubbed in” to a brass setting. The great disadvantage with this style of jewel setting is …
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? Similar to a 17-jewel watch that has a fully jeweled movement, but also has a few extra capstones added ...
https://diefendorffwatches.com/blogs/news/what-are-jewels-in-a-watch
Does "more jewels" mean a better watch? Nope - more jewels is not a sign of quality, although some marketing materials by some watch brands may make you think otherwise. But keep in mind, jewels are in the watch movement itself, so unless you have a see …
https://www.menshealth.com/style/a19543455/real-reason-watch-movement-jewels/
Sep 11, 2014 · A simple hand-wound movement needs as little as seven and up to twenty-three jewels, depending on the demands placed on it—though of course the more stress points in the watch, the more jewels ...Author: H. Moser & Cie.
https://tufinawatches.com/blogs/news/what-do-jewels-in-a-mechanical-watch-mean
Higher-grade watches have traditionally used a jeweled movements, which means that jewels (originally natural ruby, now synthetic ruby) were actually used in the movement. These jewels are functional - they are used as the bearings for the wheel trains and in high wear parts such as …
https://timepiecelegacy.com/are-watch-jewels-worth-anything/
An 18 jewel watch simply means there are 18 jewels in the watch and 21 jewel watch means there are 21 jewels in the watch. There is not a direct proportionality between the number of jewels and the quality of the watch. The number of jewels in a watch depends on the complexity of a watch.
https://strapchange.com/what-are-watch-jewels-what-does-21-jewels-mean/
Meaning all the rotating parts and other high frictional points in the watch; which before were metal againts metal parts, were exchanged with hard jewels. Back in the days it was natural jewels (diamonds, sapphire and rubies) which were grinded and put into the watches.
https://en.wikipedia.org/wiki/Mechanical_watch
A mechanical watch is a watch that uses a clockwork mechanism to measure the passage of time, as opposed to quartz watches which function electronically via a small battery, or radio watches, which are quartz watches synchronized to an atomic clock via radio waves.A mechanical watch is driven by a mainspring which must be wound either periodically by hand or via a self-winding mechanism.
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.
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