Watch Case Back Material Hardness Comparison Guide
作者: Funny Items
发布时间: 2026-08-21 22:51:33
查看数: 55
Hardness Comparison
Watch case back material hardness determines scratch resistance and durability.
Hardness Guide
- Steel: 5-6 Mohs
- Titanium: 6-7 Mohs
- Ceramic: 8-9 Mohs
- Sapphire: 9 Mohs