These are plastic crystal.
Lot of 15 NOS Watch Crystals for Timex From Old Watch Repair Shop.
HIGH DOME WATCH CRYSTALS Acrylic Plastic Replacement Crystal Glass 27.8mm - 32.4
Brand New Replacement High Dome Acrylic Watch Crystals 19.00mm - 38.40mm
LOW DOME WATCH CRYSTALS Acrylic Plastic Replacement Crystal Glass 19mm - 40mm
2.5mm thick watch crystals mineral glass FLAT glasses 27mm - 29.9mm crystal part
LOW DOME WATCH CRYSTALS 28mm - 33.8mm acrylic/plastic replacement glass crystal
