What Is a Watch Bezel Insert Material Scratch Resistance: Which Is Hardest?
Author: Funny Items
Release time: 2026-08-21 02:26:21
View number: 15
The Hardness Test
Scratch resistance determines how well your bezel insert stays looking new. Here is the hardness ranking.
Hardness Ranking
| Material | Hardness | Scratch Proof? |
|---|---|---|
| Sapphire | 9/10 | Nearly yes |
| Ceramic | 8/10 | Excellent |
| Steel | 5-6/10 | Good |
| Aluminum | 3-4/10 | Moderate |
Which Is Hardest?
Sapphire is the hardest at 9/10 on the Mohs scale. Ceramic is close at 8/10. Both are virtually scratch-proof in daily use.
Funny Items Bezels
- 40mm GMT Case ceramic bezel
- Black Sub NH35 ceramic or aluminum