IWC winding stem 85 852 853 8521 8531 / 2 parts / specific thread 1mm fine turn

Tige de remontoir IWC  / IWC winding stem

2 parts stem , male + female

Neuf de stock / New old stock never used

Original IWC part 404 , specific IWC thread 1mm fine turn

Same stem for all following cal : 85 / 852 / 853 / 8521 / 8531

Shipping in neutral zip bag