NOT original. It's a replacement
Products Introduction
Material:Mineral Glass
Color:Transparent (NO AR coating)
Package Include:1 x Mineral Glass
Note
1.Please allow 0.01-0.2 mm error due to manual measurement.
2.The color may be slightly different due to different display methods.  
3.Please use caliper to determine the exact size before purchase, ruler, tape measure, meter stick measurement is not accurate! There may be errors in the circular gap of some watches, which need to be slightly polished by professional watchmaker to fully match. Sapphire mirror for DW authentic watches, imitation watches are not suitable.
4.Non-professional repairman please purchase carefully, please measure the exact size before purchase.