950pcs O Ring Watch Back Gasket Rubber Seal Washers Set , Watch Repairing ToolWatch Gaskets kit Replacement O Rings for Watch Backs , 12mm 30 mm(0 . 7 mm)

Large replacement : rubber seals are ideal for most watches ,especially if you want to replace the watch battery .Replace it with a new seal to ensure the sealing effect after repair :O rubber sealing is made of rubber material ,wear resistant ,corrosion resistant ,durable ,non toxic and safe to use ,good sealing effect and quality assurance Large seal :This is a round rubber watch seal with O and excellent sealing effect ,which effectively ensures the waterproof level of the watch and allows normal of the watch ¡¾Stretchable¡¿ The elasticity of the rubber seal is very good and can be several millimetres .In this way ,the O shaped rubber can be used for square ,oval and Round watches can be used Good help :the O rubber seal is an ideal replacement for many popular brand watches and non branded watches .It is compatible with most brand watches and can help the watch to be used normally .