please ensure you are having the exact size before buying through precision measurement(caliper). material:mineral glass these crystals are made to replace the watch crystals for wristwatch or pocket watch. 16mm-19mm diameter mineral watch crystal convex watch glass,thickness 1.0mm diameter:16mm,17mm,18mm,19mm (there might be ±0.05mm difference).
Product specifications
| Brand | Wdfnexalai |
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