Original, unused Seiko winding stem (巻真 / Winding Stem) from a historical watchmaker's stock. The packaging marking 「旧8」 means that the thread conforms to the old Seiko standard No. 8 – suitable only for vintage Seiko calibers that use this older standard (not compatible with “新8”).
Condition New Old Stock (NOS), from the long-term inventory of a Japanese watchmaker's workshop.
Scope of delivery 1 x original Seiko winding stem 8
Notice Please check the thread standard of your watch before ordering – if in doubt, always compare the old stem and crown.
