What Is a Watch Crystal Coating Durability Guide
作者: Funny Items
发布时间: 2026-08-21 22:33:32
查看数: 54
Coating Durability
Watch crystal coating durability determines how long AR coating remains effective.
Durability Guide
- Standard AR: 1-2 years
- Premium AR: 3-5 years
- Hard AR: 5+ years
- Sapphire AR: Permanent