Specification Brand : HARFINGTON BulletPoint1 : Size - Diameter: 31mm / 1.22" (diameter tolerance is ±0.05mm.); edge thickness: 1.5mm / 0.06". Please use a precision caliper to measure the diameter/thickness before purchasing. Do not use tools with low precision such as soft rulers, straight rulers. BulletPoint2 : Material - Made of quality sapphire crystal glass, watch lens provide excellent hardness and scratch resistance, durable and long-lasting. The hardness test of sapphire is 9, second only to diamond. The flat round sapphire glass has a smooth surface, adding a touch of sophistication to the watch. BulletPoint3 : Features - Clear and transparent, scratch-resistant, wear-resistant, no scratches, polishing and chamfering surface technology. Providing clear dial visibility, ensuring accuracy without distortion.The sapphire glass adopts a flat round design, providing a classic and elegant look to the watch. BulletPoint4 : Applications - Sapphire glass lenses are widely used in luxury watches, sports watches, dive watches and fashion watches. These lenses are quality, durable, highly scratch-resistant to withstand rough use, water-resistant, and clear enough to add a touch of elegance to fashion watches. BulletPoint5 : Notes - Clean the sapphire glass lens with a soft, lint-free cloth. While sapphire glass is very durable, avoid strong impacts or hitting the watch against hard surfaces to prevent damage. Although sapphire glass is water-resistant, make sure your watch is also water-resistant before placing it in water. ClaspType : Buckle Color : Clear Department : Unisex FinishType : Polished GpsrSafetyAttestation : 1 IncludedComponents : No IncludedComponents1 : Metal Frame IncludedComponents2 : 6 watch pillows IncludedComponents3 : watch box IncludedComponents4 : watch holder IncludedComponents5 : watch cases for men ItemName : HARFINGTON Watch Crystal Glass Len 31mm Dia 1.5mm Thick Flat Round Clear Sapphire Glasses Watches Face Crystals Lens Replacement for Watchmaker Repair ItemPackageDimensions_Height : 0.59 inches ItemPackageDimensions_Length : 3.54 inches ItemPackageDimensions_Width : 2.36 inches ItemPackageQuantity : 1 ItemShape : Round ItemTypeKeyword : watch-repair-tools JewelryStorageType : jewelry_roll Manufacturer : HARFINGTON Material : Wood Material1 : Wood Material2 : Leather Material3 : Brass ModelName : hta240712hh000269 ModelNumber : hta240712hh000269 MountingType : Free-Standing NumberOfCompartments : 3 NumberOfDrawers : 3 NumberOfItems : 1 NumberOfLevels : 1 OccasionType : Travel OccasionType1 : Wedding OccasionType10 : Hanukkah OccasionType11 : Wedding OccasionType12 : Housewarming OccasionType13 : New Home OccasionType14 : Saint Nicholas Day OccasionType15 : Thanksgiving OccasionType2 : Birthday OccasionType3 : Father's Day OccasionType4 : New Year OccasionType5 : Birthday OccasionType6 : Prom OccasionType7 : Homecoming OccasionType8 : Anniversary OccasionType9 : Birthday PartNumber : hta240712hh000269 Pattern : Solid ProductDescription : Made of quality sapphire crystal glass, watch lens provide excellent hardness and scratch resistance, durable and long-lasting. The hardness test of sapphire is 9, second only to diamond. The flat round sapphire glass has a smooth surface, adding a touch of sophistication to the watch. Clear and transparent, scratch-resistant, wear-resistant, no scratches. Providing clear dial visibility, ensuring accuracy without distortion.The sapphire glass adopts a flat round design, providing a classic and elegant look to the watch. Sapphire glass lenses are widely used in luxury watches, sports watches, dive watches and fashion watches. These lenses are quality, durable, highly scratch-resistant to withstand rough use, water-resistant, and clear enough to add a touch of elegance to fashion watches. Easy to install and replace, broken ones can be easily replaced. Very suitable for watch repairers to repair their watches by themselves. Clean the sapphire glass lens with a soft, lint-free cloth. Please use a precision caliper to measure the diameter/thickness before purchasing. Do not use tools with low precision such as soft rulers, straight rulers. Notes: While sapphire glass is very durable, avoid strong impacts or hitting the watch against hard surfaces to prevent damage. Although sapphire glass is water-resistant, make sure your watch is also water-resistant before placing it in water.