CERTINA Winding Stem KF 330-331 Thread 1.10mm - Cal. 330-331 Swiss Movement Part

Original CERTINA Winding Stem KF 330-331 Thread 1.10mm

Complete your CERTINA movement restoration with this authentic NOS (New Old Stock) 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: KF 330-331
• Type: Winding stem
• Thread: 1.10mm
• Compatible Calibers: 330, 331
• Condition: NOS (New Old Stock) in perfect condition
• Quality: Professional watchmaker inspected
• Status: Ready to use
• Function: Crown to movement connection

Multi-Caliber Compatibility:

This winding stem serves CERTINA calibers 330 and 331, making it a valuable component for restoration projects. Its precision engineering with 1.10mm thread ensures reliable crown operation and smooth winding functions.

Perfect NOS Condition:

✅ 100% Original CERTINA winding stem
✅ NOS condition, no damages
✅ Compatible with Cal. 330-331
✅ 1.10mm thread specification
✅ Professional watchmaker approved

Perfect for: CERTINA Cal. 330-331 restoration, crown mechanism repairs, stem replacement, or ensuring reliable crown-to-movement connection in classic CERTINA movements.