- koimaster
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What are Jewel Bearings
“I’ve heard that there are some rubies on your watch? Must very precious, right? Wait, where are they? I can’t see them.” And when looking at a movement for the first time, people often ask what are the little red dots on their watch’s movement or why watches all mention the number of jewels? If you’re a watch collector, this conversation should be familiar. After looking at the evolution of the critical part that is the escapement, A Technical Perspective will today focus on an often underestimated part of a watch, even if its role is vital to a flawless run: jewel bearings.
https://monochrome-watches.com/technica ... nt-rubies/
https://monochrome-watches.com/technica ... nt-rubies/

1946-2006
“Your heart was warm and happy
With the lilt of Irish laughter
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