Certina 25-65-401, Winding Stem

• CERTINA original winding stem, not in factory packaging.

• Thread: 0,90 MM.

• Fits cal: 23-30, 25-65, 25-651, 25-652, 25-66, 25-661, 25-68, 25-681, 25-682

Versions: 19800 A/h:

• 25-65: automatic.
• 25-651: automatic, date.
• 25-652: automatic, day, date.
• 25-66: manual wind.
• 25-661: manual wind, date.

Versions: 28800 A/h:

• 25-671: automatic, date.
• 25-672: automatic, day, date.
• 25-68: automatic, minor mod.
• 25-681: automatic, date, minor mod.
• 25-682: automatic, day, date, minor mod.