What Is a Watch Jewel Setting: How Rubies Reduce Friction
作者: Funny Items
发布时间: 2026-08-21 10:41:41
查看数: 49
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