Seiko Case Back Gasket Seal Replaces. I have collected Seiko watches for 50 years. 1 Flat Gasket Seal Ring (0.5 mm thick). I can check you have the correct part, or give you the correct part number. Fits Models Listed Below.
Seiko Case Back Gasket Seal FE318BAD2 see list
Seiko Case Back Gasket FE308BAD2 see list below
Seiko Case Back Gasket 1 part FE338BAD4 see list below
Seiko Case Back Gasket FH2980B0A see list below
Seiko Case Back Gasket FE298BAD2 7S26 & 7s36
Seiko Case Back Gasket FH2980B02 see list below