Omega 620-1125, Winding stem, extra long

• OMEGA original winding stem, extra long. Not in factory packaging.

• Total length: 25.8 mm.

• Thread: 90

• Fits cal: 620, 630, 670, 671, 680, 681, 682, 683, 684, 685

Versions:

• 620: N: 19800.
• 630: N: 19800, center second.