Sapphire is a synthetic crystal (aluminum oxide Al2O3). Synthetic Sapphire exists exceptional performance of high hardness, high strength, scratch resistance, and chemical durability. Sapphire is second hardest minerial and ranks a 9 on the Mohs scale, that mean almost nothing other than diamond is able to scratch the sapphire watch screen. Watch glass made of synthetic sapphire offers durability, toughness, and aesthetic appearance.
HYT SAPPHIRE supply a wide range of sapphire watch glass with various shapes and sizes to fit different watch cases. Including flat sapphire watch glass, dome sapphire watch glass, AR coating sapphire watch glass, and custom shape, our Sapphire watch glass series feature brilliant reflective quality, superior strength and clarity, highly scratch and impact resistant.
Specifications of Sapphire Watch Glass
| Material | Sapphire (Al2O3) |
|---|---|
| Diameter | 2mm ~ 100mm, customize available |
| Diameter Tolerance | +/-0.05 mm |
| Thickness | 0.1mm ~ 150mm, customize available |
| Thickness Tolerance | +/-0.01 mm |
| Surface Quality | 40/20, 20/10 S/D |
| Surface Accuracy | 0.5-0.2 |
| Clear Aperture | >90% |
| Parallelism | 30 arc sec |
| Chamfer/Bevel | < 0.25mm*45° |
| Coating | No/AR coating or customized available |
Price list and specification index
| Part Number | Dia. | Thickness | Coating | Price |
|---|---|---|---|---|
| Watch-Sapphire-001 | 40.00 mm | 5.00 mm | Uncoated | contact us |
