I have collected Seiko watches for 50 years

If you need advice on which gasket, tell me the 8 digit case back number

I can check you have the correct part, or give you the correct part number 

SEIKO Gasket Set H556-5010  H558-5010 

Fits Case Numbers Below

Gasket kit – contains – generic parts

Case Back Gasket FH3380B0A- 1

Crown Seal 0A0150B0A– 1

Push Button Seals -EC0060B01 - 2

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