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The Omega 8500 Movement Intermediate Corrector Wheel (7228500A36051) is a genuine Swiss-made component for the Omega Caliber 8500 Co‑Axial automatic movement. As part of the date correction mechanism, this intermediate wheel transmits rotational force from the winding stem to the date indicator, enabling precise and smooth date adjustments . This reference is a recognized service part in the official Omega 8500 spare parts list for version 8500A .
Genuine Omega part – authentic Swiss-made component listed for Caliber 8500A
Date correction mechanism component – transmits motion from winding stem to date indicator
Precision-engineered – manufactured to Omega’s factory specifications
Service replacement part – recognized in official Omega technical documentation
Part Number: 7228500A36051
Compatible Movement: Omega Caliber 8500A
Movement Diameter: 29.00 mm (12¾”’)
Movement Height: 5.5 mm
Jewels: 39
Frequency: 25,200 vph (3.5 Hz)
Power Reserve: 60 hours (two series-coupled barrels)
Origin: Switzerland (Omega factory part)
Condition: Brand new
Service and overhaul of Omega Caliber 8500A movements
Date correction mechanism repair – replacing worn or damaged intermediate corrector wheels
Restoration of De Ville Hour Vision, Seamaster Aqua Terra, and other 8500-powered models
Suitable for professional watchmakers and authorized service centers
1. Is this a genuine Omega part?
Yes, this is a genuine Omega factory part (reference 7228500A36051), as listed in the official Omega 8500 spare parts list . It is not an aftermarket or generic component.
2. Which movement version is this component compatible with?
This intermediate corrector wheel is specifically listed for the Omega Caliber 8500A version in the technical documentation . Please verify your movement version before ordering. Caliber 8500B and 8500G versions may require different references .
3. What is the function of the intermediate corrector wheel?
The intermediate corrector wheel is part of the date correction mechanism that transmits rotational force from the winding stem (when in the date-setting position) through a series of wheels to rotate the date indicator, allowing the date to be advanced .
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