Seiko winding stem 351221 / 2201 2205 2202 2220 / Ronda 1820

1 Tige de remontoir Seiko  / 1 Seiko winding stem

Neuf de stock / New old stock

Seiko Ref : 351221 - Ronda code 1820

Same stem for all following calibers : 2201 2205 2202 2220

(This is the short stem full thread version. The long stem half thread version is 351222)

Thread 90

Length 14.4 mm