ROLEX CAL 1120 - 6690 - 1 MAINSPRING STRENGTH WEAK NOS

Original ROLEX CAL 1120 - 6690 - 1 Mainspring

Ensure reliable power reserve with this authentic ROLEX mainspring for caliber 1120. This essential component provides consistent energy delivery and reliable operation in ROLEX's automatic movements.

Technical Specifications:
Brand: ROLEX
Caliber: 1120
Part Number: 6690-1
Type: Mainspring
Strength: Weak
Condition: New Old Stock (NOS), sealed
Quality: Professional watchmaker inspected
Function: Power reserve mechanism

Authentic ROLEX Quality:
This original ROLEX mainspring for caliber 1120 is new old stock in sealed condition, ensuring pristine quality. Its precision engineering ensures reliable power delivery and optimal performance in ROLEX automatic movements.

Essential Component:
✅ 100% Original ROLEX mainspring
✅ New Old Stock (NOS), sealed condition
✅ Compatible with ROLEX Cal. 1120
✅ Strength: Weak specification
✅ Essential power reserve component
✅ Professional watchmaker approved

Perfect for: ROLEX Cal. 1120 restoration, mainspring replacement, power reserve repairs, or ensuring reliable energy delivery in classic ROLEX automatic movements.