Offering you a Genuine NOS Seiko 354417 Winding Stem.
They fit Seiko caliber: 6619A / 66SA5 (21 Jewels 1964)
Can be used for restoration or for spares.
Price is for 1 stem (not 1 package).
I do combine shipping, please wait for invoice if you buy more than one item.
You can check out my other listings for other interesting watches, watch parts and watch accessories.