Features:
High quality mineral glass
The watch glass shows blue when it is exposed to the sunlight
The color of the dial affects depth of blue light
1.2mm Edge thickness available
Middle height varies from 2.5-2.8mm according to diameter

Package include:
1 piece Watch Glass

Notice:
1. There maybe ±0.05mm error for diameter and ±0.1mm for thickness.
2. Packaging may vary due to different production batch.