VALJOUX Winding Stem 7730-401 - Cal. 7730-7737 Swiss Chronograph Part

Original VALJOUX Winding Stem 7730-401

Complete your VALJOUX chronograph 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 VALJOUX's legendary chronograph movements.

Technical Specifications:

• Brand: VALJOUX Swiss Made
• Part Number: 7730-401
• Type: Winding stem
• Thread: 1.20mm
• Compatible Calibers: 7730, 7731, 7733, 7734, 7736, 7737
• 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 an extensive range of VALJOUX chronograph calibers from the 7730 to 7737 series, making it one of the most universally compatible winding components in VALJOUX's chronograph catalog. Its precision engineering with 1.20mm thread ensures reliable crown operation and smooth winding functions.

Perfect NOS Condition:

✅ 100% Original VALJOUX winding stem
✅ NOS condition, no damages
✅ Compatible with Cal. 7730-7737
✅ 1.20mm thread specification
✅ Professional watchmaker approved

Perfect for: VALJOUX Cal. 7730-7737 chronograph restoration, crown mechanism repairs, stem replacement, or ensuring reliable crown-to-movement connection in classic VALJOUX chronograph movements.