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The Omega 2500C Movement Escape Wheel (7222500C30039) is a genuine Swiss-made component for the Omega Caliber 2500C Co‑Axial automatic movement. As a critical part of the Co‑Axial escapement system, this escape wheel works with the pallet fork and co‑axial wheel to transmit impulses from the gear train to the balance, enabling stable energy transfer and consistent timekeeping. It is a recognized service part and may be replaced during professional servicing if black residue buildup or wear is detected on the intermediate escape wheel .
Genuine Omega part – authentic Swiss‑made component for Caliber 2500C
Co‑Axial escapement component – works with pallet fork and co‑axial wheel for impulse transmission
Critical for stable timekeeping – ensures consistent energy transfer to the balance
Service replacement part – recognized in official Omega technical documentation and service protocols
Precision‑engineered – manufactured to Omega’s factory specifications
Part Number: 7222500C30039
Compatible Movement: Omega Caliber 2500C
Movement Diameter: 25.60 mm (11½”’)
Movement Height: 3.60 mm
Jewels: 27
Frequency: 25,200 vph (3.5 Hz) – reduced from 28,800 vph of earlier 2500A/B versions
Power Reserve: 48 hours
Escapement Type: Co‑Axial (2‑level)
Origin: Switzerland (Omega factory part)
Condition: Brand new
Service and overhaul of Omega Caliber 2500C movements
Co‑Axial escapement repair – replacing escape wheels with black residue buildup or visible wear
Timekeeping restoration – ensuring consistent amplitude and rate
Restoration of Seamaster Planet Ocean, Aqua Terra, and other 2500C‑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 7222500C30039), manufactured in Switzerland. It is listed in Omega technical documentation for the Caliber 2500C .
2. Is the 2500C escape wheel compatible with earlier 2500A/B or later 2500D?
No. The 2500C uses its own specific escape wheel. The 2500C was a major redesign from the A and B versions: the beat rate was reduced from 28,800 to 25,200 vph and the gear train was modified . The 2500D uses a different 3-level escapement design, so parts are not interchangeable between versions .
3. Why might the escape wheel need replacement during service?
Omega service protocols require that when black sticky residue is present on the intermediate escape wheel of the Caliber 2500C, the wheel is replaced with an updated version with a different finish. This residue is known to cause the “stopping problem” associated with some 2500C movements .
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