Zoom icon Click to expand Tap to zoom Chevron down icon Chevron down icon 1.00 mm Thick Flat Round Sapphire Crystal (13.0 mm to 16.5 mm) by PERRIN Sale $8.60 | / SKU CR-SPF10-1-13-0 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 13.0 mm 13.5 mm 14.0 mm 14.5 mm 15.0 mm 15.5 mm 16.0 mm 16.5 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.