Original SEIKO 4006A-500805 Oscillating Weight

Original SEIKO 4006A-500805 Oscillating Weight

Ensure reliable automatic winding with this authentic SEIKO oscillating weight (rotor) for caliber 4006A. This essential component powers the automatic winding mechanism, providing consistent energy delivery and reliable operation in SEIKO's automatic movements.

Technical Specifications:
Brand: SEIKO
Part Number: 4006A-500805
Type: Oscillating weight (rotor)
Compatible Caliber: 4006A
Condition: Very good used condition
Quality: Professional watchmaker inspected
Function: Automatic winding mechanism
Status: Ready to use

Automatic Winding System:
The oscillating weight, also known as a rotor, is the heart of any automatic watch movement. This SEIKO component rotates freely with wrist movement, winding the mainspring and keeping the watch powered without manual winding. The 4006A caliber is part of SEIKO's renowned automatic movement family, known for reliability and precision.

Essential Component:
✅ 100% Original SEIKO oscillating weight
✅ Very good used condition, no damages
✅ Compatible with SEIKO Cal. 4006A
✅ Part Number: 4006A-500805
✅ Essential automatic winding component
✅ Professional watchmaker checked and approved
✅ Ready to use immediately

Perfect for: SEIKO Cal. 4006A restoration, automatic winding mechanism repairs, oscillating weight replacement, or ensuring reliable automatic winding in SEIKO automatic movements.