O-Ring gaskets/seals are like protective shields for your watch. They keep out water and dirt, so your watch stays safe inside. Our seals are made to fit perfectly, keeping your watch secure from any harm
Case back gaskets sizes include (in mm): 10.0×0.3, 11.0×0.3, 12.0x 0.30, 13.0x 0.30, 14.0x 0.30, 15.0x 0.30, 16.0x 0.30, 17.0x 0.30, 17.5x 0.30, 18.0x 0.30, 20.0x 0.30, 22.0x 0.30, 23.0x 0.30, 24.0x 0.30, 24.4x 0.30, 26.0x 0.30, 28.0x 0.30
