Omega Caliber 8521

Omega Caliber 8521

Omega Caliber 8521

Brand Omega
Caliber Number 8521
Base Caliber
8520
In-House Yes
Movement Type Automatic
Jewels 28
Power Reserve 50 hours
Vibrations Per Hour 25,200bph
Hairspring Silicon Si14
Shock System Nivachoc
Escapement
Co-Axial
Functions Hours. minutes, central seconds, date at 3:00
Country of Manufacture Switzerland
Known Models DeVille Ladymatic (ref: 425.68.34.20.55.004)

The Omega caliber 8521 is an in-house automatic movement found in ladies size Omega watches. This movement was released in 2010.

Omega 8520 VS 8521

There is a similar caliber 8520, with the main difference being that the 8521 is luxury finished with an 18K gold rotor.

In Omega’s Own Words:

Self-winding movement with Co-Axial escapement. Free sprung-balance system with silicon balance-spring. Automatic winding in both directions. Oscillating mass and balance bridge in 18 Ct red gold. Luxury finish with exclusive Geneva waves in arabesque

Video Manual:

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