Seiko 4N20-0350

GroupBrandPart NoDescriptionitem no.
crystalSeiko130A01SN01984130A01SN0
crownSeiko27M19DX198427M19DX1
ground packingSeiko0H1600B01CASE BACK GASKET9840H1600B01
otherSeiko04Y31NSH(HOUR HAND)98404Y31NSH
Seiko05Y23DSM(MINUTE HAND)98405Y23DSM