If you are replacing a mineral crystal - add 0.1mm or 0.2mm for a good tight fit. These crystals are made in Germany - very high quality and exceptional clarity.
Sternkreuz Domed Acrylic Crystal With Gold Tone Tension Ring 17mm to 37.2mm
Sternkreuz Domed Acrylic Crystal With Chrome Tension Ring 17mm to 37.3mm
Sternkreuz Domed Acrylic Crystal With Chrome Tension Ring Diver Thickness
STERNKREUZ Snap In Domed Acrylic Watch Crystals Glass Replacement 22mm-50mm
Sternkreuz Hw Empire Etanche High Dome Acrylic Watch Crystals - Job Lot Bundle
Acrylic Watch Glass Crystal Sizes in 19.0mm -40.0mm - High Domed