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The Omega 2500D Movement Escape Wheel (7222500D30039) is a genuine Swiss-made component for the Omega Caliber 2500D Co‑Axial automatic movement. This escape wheel is part of the tri‑level Co‑Axial escapement system, a key upgrade that distinguishes the 2500D from earlier versions (2500A, B, C). Precisely manufactured to ensure correct impulse transfer and reduced friction, it plays a vital role in maintaining stable amplitude and accurate timekeeping.
Genuine Omega part – authentic Swiss-made component for Caliber 2500D
Tri-level Co‑Axial escapement – upgraded from bi‑level design of earlier 2500 versions for improved reliability
Critical for timekeeping – ensures correct impulse transfer and stable amplitude
Reduced friction design – contributes to longer service intervals and consistent accuracy
Precision-engineered – manufactured to Omega’s factory specifications
Part Number: 7222500D30039
Compatible Movement: Omega Caliber 2500D
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 in earlier A/B versions
Power Reserve: 48 hours
Escapement Type: Co‑Axial (tri‑level / 3‑level)
Origin: Switzerland (Omega factory part)
Condition: Brand new
Service and overhaul of Omega Caliber 2500D movements
Co‑Axial escapement repair – replacing worn or damaged escape wheels
Timekeeping restoration – ensuring stable amplitude and rate
Restoration of Seamaster Planet Ocean, Seamaster 300, De Ville, and other 2500D-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 7222500D30039), manufactured in Switzerland. It is the specific escape wheel designed for the Caliber 2500D.
2. What is the difference between this escape wheel and those used in earlier 2500 versions?
The earlier 2500A, B, and C versions used a bi‑level (2‑level) Co‑Axial escapement, which had known reliability issues that could cause movements to stop prematurely. The 2500D uses a tri‑level (3‑level) escapement, which is a more robust and reliable design. This upgrade is the primary reason the 2500D is considered the most reliable version of the 2500 family.
3. Is the 2500D escape wheel compatible with earlier 2500A/B/C movements?
According to Omega technical documentation, the 2500D escape wheel is not retroactively compatible with earlier 2500 versions. The D version’s tri‑level escapement has different specifications. For earlier versions, the correct escape wheel (with updated lubrication procedures) must be used.
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