90pcs Watch Back Water Resistant O Rings Watc Back Cover Seals Rubber Watch Gaskets Replacement Kit for Watchmakers and

Feature: 1. Watch O Ring Back Gasket Set:O Rings are available in 5 thicknesses:13 37mm 0.5mm Size: 13 37mm Quantity: 25pc, 0.6mm Size: 13 40mm Quantity: 28pc, 0.7mm Size: 25 40mm Quantity: 16pc, 0.8mm Size: 28 38mm Quantity: 11pc, 0.9mm. Size: 31 40mm Quantity: 10pc. Great alternatives in different sizes to meet your different needs! 2. Rubber Material: This O ring watch back gasket set is made of premium rubber material, this material is flexible and wear resistant, which is long lasting and practical with a long service life. 3. Easy to Install: The sealing ring is elastic, easy to install and remove. These watch water resistant o rings serve as practical components for watch repairs, helping to maintain the integrity and functionality. 4. Water Resistant Watch Gasket: Watch gasket rubber gasket set is a great replacement for watch back cover sealing gasket. The sealing ring is installed between the watch and the back cover to fill the space between the watch band and the movement, protecting the inside of the watch from dust and water. 5. Professional Watch Repair Tool: This rubber watch case back gasket set is a professional watch repair tool, which is great for watchmakers and watch repairers. There are sufficient quantity, you can use it for a long time. Specification: Item Type: Watch Back Water Resistant Rings Material: Rubber Size: 0.5mm Size: Approx. 13 37mm 0.51 1.46in, Quantity: 25 pcs 0.6mm Size: Approx.13 40mm 0.51 1.57in, Quantity: 28 pcs 0.7mm Size: Approx.25 40mm 0.98 1.57in, Quantity: 16 pcs 0.8mm Size: Approx.28 38mm 1.10 1.50in, Quantity: 11 pcs 0.9mm Size: Approx.31 40mm 1.22 1.57in, Quantity: 10 pcs. Package List: 90 x Water Resistant O Rings