Material: Mineral glass

28mm-33mm diameter mineral watch crystal domed watch glass.
Please ensure you are having the exact size before buying through precision measurement(caliper).
Diameter: 28mm,29mm,30mm,31mm,32mm,33mm (there might be ±0.05mm difference).
These crystals are made to replace the watch crystals for wristwatch or pocket watch.  Features: durable, anti-scratch, high transparency.

Package Includes:

10 Pieces Watch Mineral Glass