Description:Material: Mineral glass;33

5mm-40mm diameter mineral watch crystal 1

0mm thick flat watch glass;Please ensure you are having the exact size before buying through precision measurement(caliper);Diameter: 33

5/35/35

5/36

5/37/37

5/38

5/39

5/39/40mm (there might be ±0

05mm difference), thickness approx

1mmThese crystals are made to replace the watch crystals for wristwatch or pocket watch;Package Includes:10 Pieces Watch Mineral Glass