Watch Crown Seal Material and Water Resistance Guide
作者: Funny Items
发布时间: 2026-08-21 17:56:00
查看数: 56
Crown Seal
Watch crown seal materials determine water resistance and long-term reliability.
Seal Materials
- Nitrile: Standard resistance
- Silicone: Temperature range
- Viton: Chemical resistant
- FKM: Premium seal