CERTINA Winding Stem 25-45 Part 401 - Cal. 25-45 to 28-451 Swiss Movement Part

Original CERTINA Winding Stem 25-45 Part 401

Complete your CERTINA movement restoration with this authentic winding stem for multiple calibers. This essential component connects the crown to the movement's winding mechanism, ensuring reliable manual winding operation and precise time setting in CERTINA's classic movements.

Technical Specifications:

• Brand: CERTINA Swiss Made
• Part Number: 25-45 Part 401
• Type: Winding stem
• Thread: 0.90mm
• Compatible Calibers: 25-45, 25-451, 28-45, 28-451
• Condition: New original part in perfect condition
• Quality: Professional watchmaker inspected
• Status: Ready to use
• Function: Crown to movement connection

Multi-Caliber Compatibility:

This winding stem serves multiple CERTINA calibers from the 25-45 to 28-451 series, making it a valuable component for restoration projects. Its precision engineering with 0.90mm thread ensures reliable crown operation and smooth winding functions.

Perfect New Condition:

✅ 100% Original CERTINA winding stem
✅ New condition, no damages
✅ Compatible with Cal. 25-45 to 28-451
✅ 0.90mm thread specification
✅ Professional watchmaker approved

Perfect for: CERTINA Cal. 25-45 to 28-451 restoration, crown mechanism repairs, stem replacement, or ensuring reliable crown-to-movement connection in classic CERTINA movements.