Watch Case Back Material Fatigue Safety Factor Guide
作者: Funny Items
发布时间: 2026-08-22 03:19:21
查看数: 58
Safety Factor
Watch case back material fatigue safety factor determines design margin for failure.
Safety Guide
- Steel: Factor of 2
- Titanium: Factor of 3
- Ceramic: Factor of 4
- Sapphire: Factor of 1.5