5Pcs Watch Glass 20mm 22mm Sapphire Double Domed Watch Glass Lens Accessory 1.2mm

Feature: 1. Watch glass uses sapphire crystal glass with a hardness level of 9, second only to diamonds. 2. Highly transparent, scratch‑resistant, abrasion resistant, and high temperature resistant. 3. Watch spare parts, suitable for professional watch manufacturers and watch repairers. 4. Contains 5 watch lenses, exquisite craftsmanship, to meet different needs of use. 5. The surface and edges are smooth, which makes it easy to install and replace old watch lenses. Specification: Item Type: Watch Accessory Material: sapphire crystal glass Quantity: 5pcs Specifications Model (Lens Diameter): Approx. 20mm 0.79in, 20.5mm 0.81in, 21mm 0.83in, 21.5mm 0.85in, 22mm 0.87in Error Range: Edge Thickness: Approx. 1 1.2mm 0.04 0.05in Diameter Error: + 0.2mm 0.01in. Package List: 5 x Watch Glass Note: 1. Please allow 0‑1 inch error due to manual measurement. Thanks for your understanding.2. Monitors are not calibrated same, item color displayed in photos may be showing slightly different from the real object. Please take the real one as standard.