Zoom icon Click to expand Tap to zoom Chevron down icon Chevron down icon 0.80 mm Thick Flat Round Sapphire Crystal (13.0 mm to 23.5 mm) by PERRIN Sale $8.60 | / SKU CR-SPF08-1-13-0 13.0 mm - $8.60 13.5 mm - $8.60 14.0 mm - $8.60 14.5 mm - $8.60 15.0 mm - $8.60 15.5 mm - $8.60 16.0 mm - $8.60 16.5 mm - $8.60 17.0 mm - $8.60 17.5 mm - $8.60 18.0 mm - $8.60 18.5 mm - $8.60 19.0 mm - $8.60 19.5 mm - $8.60 20.0 mm - $8.60 20.5 mm - $8.60 21.0 mm - $8.60 21.5 mm - $8.60 22.0 mm - $8.60 22.5 mm - $8.60 23.0 mm - $8.60 23.5 mm - $8.60 13.0 mm 13.5 mm 14.0 mm 14.5 mm 15.0 mm 15.5 mm 16.0 mm 16.5 mm 17.0 mm 17.5 mm 18.0 mm 18.5 mm 19.0 mm 19.5 mm 20.0 mm 20.5 mm 21.0 mm 21.5 mm 22.0 mm 22.5 mm 23.0 mm 23.5 mm Diameter (mm) Chevron down icon 1 2 3 4 5 6 7 8 9 10+ Quantity Chevron down icon Quantity Add to cart Spinner icon Notify me when back in stock Email address Email me when available This crystals are a scratch resistant crystals for high-end watches. This crystals have a polished top edge.