Seiko 2C20-5011

GroupBrandPart NoDescriptionitem no.
crystalSeikoRE7N51HN00GLASS(INORGANIC)984RE7N51HN0
crownSeiko32N09NA198432N09NA1
ground packingSeiko0H1650B01CASE BACK GASKET9840H1650B01
SeikoDH0100B01CROWN & STEM GASKET(4H)984DH0100B01