• too_high_for_this@lemmy.world
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    1 day ago

    Mechanical watches use tiny jewels for the bearings for moving parts. For a time-only watch, 17 jewels means that every moving part has jewel bearings.

    • Widdershins@lemmy.world
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      1 day ago

      I have lived my life up until this point thinking the numbers on the watch were made out of jewels and that it was a vanity thing.