The glass is friction fit, so buy a size 0.2mm larger than the gap in your watch and they will push on and compress into the watch for a perfect fit.
Delux Acrylic Watch High Dome. Watch Glass Crystal Replacement 19.0mm to 27.6mm
HIGH DOME WATCH CRYSTALS Acrylic Plastic Replacement Crystal Glass 27.8mm - 32.4
BCL/Sternkreuz High Dome Vintage Acrylic Watch Glass Size 12.0mm - 36.0mm NOS
HIGH DOME Sternkreuz Acrylic Watch Glass Crystal Gold Tension Ring 27-33.6mm New
HIGH DOME WATCH CRYSTALS Acrylic Plastic Replacement Crystal Glass 19mm - 23.6mm
High Dome Watch and Pocket Watch Crystals BCL 15.0-34.2 mm Factory No 150 - 342
