OMEGA Ratchet Wheel Upper 550-1100 with Screw - Cal. 550-752 Swiss

Original OMEGA Ratchet Wheel Upper 550-1100 with Screw

Maintain proper mainspring tension with this authentic OMEGA upper ratchet wheel assembly, complete with screw. This essential component ensures reliable mainspring winding and prevents unwinding, critical for consistent power delivery in multiple OMEGA calibers.

Technical Specifications:

• Brand: OMEGA Swiss Made
• Part Number: 550-1100
• Type: Ratchet wheel, upper with screw
• Compatible Calibers: 550, 551, 552, 560, 561, 562, 563, 564, 565, 750, 751, 752
• Condition: Very good used condition
• Quality: Professional watchmaker inspected
• Includes: Complete with mounting screw

Mainspring System:

This ratchet wheel is a crucial component of OMEGA's mainspring barrel system, preventing the mainspring from unwinding while allowing proper winding. The included screw ensures secure mounting and optimal function.

Professional Quality:

✅ 100% Original OMEGA ratchet wheel
✅ Very good used condition
✅ Complete with mounting screw
✅ Multi-caliber compatibility
✅ Professional watchmaker approved

Perfect for: OMEGA Cal. 550-752 restoration, mainspring system repairs, barrel mechanism maintenance, or ensuring proper power delivery in diverse OMEGA automatic movements.