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Omega Caliber 8521

Omega Caliber 8521

Omega Caliber 8521

Caliber Number8521
Base Caliber
Movement TypeAutomatic
Power Reserve50 hours
Vibrations Per Hour25,200bph
HairspringSilicon Si14
Shock SystemNivachoc
FunctionsHours. minutes, central seconds, date at 3:00
Country of ManufactureSwitzerland
Known ModelsDeVille Ladymatic (ref: 425.

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:

Additional Resources:

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