What Is a Watch Crystal Surface Hardness Comparison
Author: Funny Items
Release time: 2026-08-21 15:02:39
View number: 14
Surface Hardness
Watch crystal surface hardness determines resistance to scratches and damage.
Hardness Guide
- Acrylic: 2 Mohs
- Mineral: 5-6 Mohs
- Sapphire: 9 Mohs
- Diamond: 10 Mohs