Certina 25-45-401, Winding Stem

• CERTINA original winding stem. Not in factory packaging.

• Thread 0,90 MM.
  

• Fits cal: 25-45, 25-451, 28-45, 28-451

Versions:

• 25-45: 11,5''' automatic, H=6,00 mm.
• 25-451: 11,5''' automatic, date.
• 28-45: 12,5''' automatic. H:6,00 mm.
• 28-451: 12,5''' automatic, date.