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The Omega 8500 Movement Setting Lever (7228500A5108018) is a genuine Swiss-made component designed for the Omega Caliber 8500 Co-Axial automatic movement. This setting lever is part of the keyless works mechanism, controlling the sliding pinion to enable smooth and reliable switching between winding, time-setting, and date-setting positions. It is typically replaced during professional servicing when wear or irregular crown operation is detected.
Genuine Omega part – authentic Swiss-made component for Caliber 8500
Keyless works component – controls sliding pinion for position switching
Precision-engineered – manufactured to Omega’s factory specifications
Direct replacement – designed for professional servicing and restoration
Part Number: 7228500A5108018
Compatible Movement: Omega Caliber 8500 (Co-Axial automatic)
Movement Diameter: 29.00 mm (12¾”’)
Movement Height: 5.5 mm
Jewels: 39
Frequency: 25,200 vph (3.5 Hz)
Power Reserve: 60 hours
Origin: Switzerland (Omega factory part)
Condition: Brand new
Service and overhaul of Omega Caliber 8500 movements
Keyless works repair – replacing worn or damaged setting levers
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 7228500A5108018), manufactured in Switzerland. It is not an aftermarket or generic component.
2. Which movement is this setting lever compatible with?
This setting lever is specifically designed for the Omega Caliber 8500 Co-Axial automatic movement. Please verify your movement caliber before ordering.
3. What is the function of the setting lever?
The setting lever is part of the keyless works that controls the sliding pinion, enabling the crown to smoothly switch between winding, time-setting, and date-setting positions.
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