Watch Case Back Material Fatigue Crack Initiation Guide
作者: Funny Items
发布时间: 2026-08-22 03:08:53
查看数: 59
Crack Initiation
Watch case back material fatigue crack initiation determines when cracks first appear.
Initiation Guide
- Steel: High cycles
- Titanium: Higher cycles
- Ceramic: Very high cycles
- Sapphire: Brittle initiation