What Is a Watch Jewel Setting: How Rubies Reduce Friction
Author: Funny Items
Release time: 2026-08-21 02:41:41
View number: 9
The Ruby Bearings
Watch jewels reduce friction at pivot points in the movement.
How Jewels Work
- Ruby is extremely hard (9/10)
- Smooth surface reduces friction
- Prevents wear on metal surfaces
- Improves accuracy and longevity
