WHITE HARD PLASTIC WATCH GASKETS
Watch Glass Hard Gaskets 
Replacements
" I - Form" & "L - Form"
Gasket Heights and examples of equivalent Glass thicknesses:
Height 0.60mm for Glasses 0.70 to 0.80mm Thick
Height 0.80mm for Glasses 1.00mm Thick
Height 1.20mm for Glasses 1.30 to 1.50mm Thick
Height 1.25mm for Glasses 1.30 to 1.50mm Thick
Height 1.75mm for Glasses 1.80 to 2.00mm Thick