Specification AgeRangeDescription : Adult Brand : uxcell BulletPoint1 : Specifications: Diameter: 19mm / 0.75-inch; Thickness: 1.1mm / 0.04-inch; 1 x Watch Lens Glass. (Note: Please use a precision caliper to measure the diameter/thickness before purchase. Never use low-precision tools such as soft rulers, straight rulers, or measuring software.) BulletPoint2 : Made of sapphire crystal glass, not easy to break, strong and durable. Good transparency, smooth surface, high temperature resistance, scratch resistance, wear resistance. BulletPoint3 : The watch glass lens is very transparent, with rounded and smooth edges, comfortable hand feel, no scratches. BulletPoint4 : There is a green light transmitting layer in the middle of ordinary optical glass, and this sapphire glass interlayer light transmitting layer is white, not blue. BulletPoint5 : Notice: The lens diameter tolerance is ±0.05mm, please use a caliper to measure the diameter/thickness before purchasing. Never use low-precision tools such as soft rulers, rulers, or measuring software to measure. The marked size does not include the waterproof ring, which is 0.5mm in diameter. ClaspType : Buckle Color : Clear Department : mens ExternallyAssignedProductIdentifier : 9342107080624 GpsrSafetyAttestation : 1 IncludedComponents : 1 bottom, 1 lid, 1 soft support and 1 soft tip. ItemName : uxcell 19mm Dia. Watch Glass Sapphire Crystal Lens, Round Flat 1.1mm Thickness Replacement Parts for Watchmaker Repair Clear ItemPackageDimensions_Height : 0.59 inches ItemPackageDimensions_Length : 3.54 inches ItemPackageDimensions_Width : 2.36 inches ItemPackageQuantity : 1 ItemShape : Round ItemTypeKeyword : watch-repair-tools Manufacturer : uxcell Material : Glass MetalType : silver plated ModelName : KD89 ModelNumber : a22061300ux0190 NumberOfPieces : 1 PartNumber : a22061300ux0190 ProductDescription : Feature: 1. Made of sapphire crystal glass, not easy to break, strong and durable. Good transparency, smooth surface, high temperature resistance, scratch resistance, wear resistance. 2. The watch glass lens is very transparent, with rounded and smooth edges, comfortable hand feel, no scratches. 3. Easy to install and replace, the broken one can be easily replaced. It's very suitable for watch repairman to repair their watch by themselves. 4. The sapphire crystal glass is easy to clean, and only needs to be wiped clean with a soft cloth after long-term use. Please be careful not to wipe with paper or cloth that is too hard, so as not to scratch the surface of the glass and affect the appearance of the watch. 5. Note: Please use a precision caliper to measure the diameter/thickness before purchase. Never use low-precision tools such as soft rulers, straight rulers, or measuring software.