DescriptionThis is a silicone O-ring watch gasket that keep your watch water resistant. Made of silicone material and of fair quality. These are excellent O-ring gasket replacements for many of the brand watches, and also for non brand watch. Reasonable design, convenient and practical.Features- Color: White. - Material: Silicone. - Size: About 1.00X1.00X1.00cm/0.39X0.39X0.39inch. - This is a silicone o-ring watch gasket that keep your watch water resistant. - Made of grade material, wear-resistant, corrosion resistant, stretchable, good elasticity. - These watch back gasket are great for watch repair and DIY watchmaker. - Gaskets will stretch a couple of millimeters and will also work on watches of shapes other than round. - The installation method is simple and will not take you too much time.