Seiko 2P20-0320

GroupBrandPart NoDescriptionitem no.
crystalSeiko140N57JN01984140N57JN0
crownSeiko30N63NA1CROWN98430N63NA1
Seiko30N63NS198430N63NS1
ground packingSeiko0G1550B019840G1550B01
SeikoAC004BA11CROWN & STEM GASKET984AC004BA11