Seiko 4205-502A

GroupBrandPart NoDescriptionitem no.
crystalSeikoSA3W03LM50984SA3W03LM5
crownSeiko40MF5NN198440MF5NN1
ground packingSeikoFH1930B01CASE BACK GASKET984FH1930B01
SeikoDB0055B01CROWN & STEM GASKET984DB0055B01