Zoom icon Click to expand Tap to zoom Chevron down icon Chevron down icon 1.00 mm Thick Flat Round Sapphire Crystal (17.0 mm to 23.5 mm) by PERRIN Sale $8.60 | / SKU CR-SPF10-2-17-0 17.0 mm - $8.60 17.1 mm - $8.60 17.2 mm - $8.60 17.3 mm - $8.60 17.4 mm - $8.60 17.5 mm - $8.60 17.6 mm - $8.60 17.7 mm - $8.60 17.8 mm - $8.60 17.9 mm - $8.60 18.0 mm - $8.60 18.1 mm - $8.60 18.2 mm - $8.60 18.3 mm - $8.60 18.4 mm - $8.60 18.5 mm - $8.60 18.6 mm - $8.60 18.7 mm - $8.60 18.8 mm - $8.60 18.9 mm - $8.60 19.0 mm - $8.60 19.1 mm - $8.60 19.2 mm - $8.60 19.3 mm - $8.60 19.4 mm - $8.60 19.5 mm - $8.60 19.6 mm - $8.60 19.7 mm - $8.60 19.8 mm - $8.60 19.9 mm - $8.60 20.0 mm - $8.60 20.1 mm - $8.60 20.2 mm - $8.60 20.3 mm - $8.60 20.4 mm - $8.60 20.5 mm - $8.60 20.6 mm - $8.60 20.7 mm - $8.60 20.8 mm - $8.60 20.9 mm - $8.60 21.0 mm - $8.60 21.1 mm - $8.60 21.2 mm - $8.60 21.3 mm - $8.60 21.4 mm - $8.60 21.5 mm - $8.60 21.6 mm - $8.60 21.7 mm - $8.60 21.8 mm - $8.60 21.9 mm - $8.60 22.0 mm - $8.60 22.1 mm - $8.60 22.2 mm - $8.60 22.3 mm - $8.60 22.4 mm - $8.60 22.5 mm - $8.60 22.6 mm - $8.60 22.7 mm - $8.60 22.8 mm - $8.60 22.9 mm - $8.60 23.0 mm - $8.60 23.1 mm - $8.60 23.2 mm - $8.60 23.3 mm - $8.60 23.4 mm - $8.60 23.5 mm - $8.60 17.0 mm 17.1 mm 17.2 mm 17.3 mm 17.4 mm 17.5 mm 17.6 mm 17.7 mm 17.8 mm 17.9 mm 18.0 mm 18.1 mm 18.2 mm 18.3 mm 18.4 mm 18.5 mm 18.6 mm 18.7 mm 18.8 mm 18.9 mm 19.0 mm 19.1 mm 19.2 mm 19.3 mm 19.4 mm 19.5 mm 19.6 mm 19.7 mm 19.8 mm 19.9 mm 20.0 mm 20.1 mm 20.2 mm 20.3 mm 20.4 mm 20.5 mm 20.6 mm 20.7 mm 20.8 mm 20.9 mm 21.0 mm 21.1 mm 21.2 mm 21.3 mm 21.4 mm 21.5 mm 21.6 mm 21.7 mm 21.8 mm 21.9 mm 22.0 mm 22.1 mm 22.2 mm 22.3 mm 22.4 mm 22.5 mm 22.6 mm 22.7 mm 22.8 mm 22.9 mm 23.0 mm 23.1 mm 23.2 mm 23.3 mm 23.4 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.