Tige winding stem ETA cal 2763, 2764, 2769, 2769.1, 2781, 2783, 2784, 2789, 2789-1, 2790, 2790-1, 2791

Original winding stem in perfect condition newer used. No damages, checked by profetional watchmaker. It's ready to us.

 Fits cal: 2763, 2764, 2769, 2769.1, 2781, 2783, 2784, 2789, 2789-1, 2790, 2790-1, 2791