Omega 1220

Omega Caliber 1220: Reliable Automatic Movement for Modern Omega Watches

The Omega Caliber 1220 is an automatic mechanical movement developed and produced in the 1990s. It belongs to the family of Omega’s robust and accurate automatic calibers, known for delivering solid performance and dependable timekeeping. Based on the ETA 2892-A2 movement, the 1220 features modifications tailored to Omega’s specifications.

This caliber was widely used in various Omega watches, combining precision Swiss engineering with a durable design suitable for daily wear.


Technical Specifications

  • Type: Automatic mechanical

  • Functions: Hours, minutes, central seconds, quickset date

  • Jewels: 21

  • Frequency: 28,800 vibrations per hour (vph)

  • Power Reserve: Approximately 42 hours

  • Hacking Seconds: Yes

  • Diameter: Approximately 25.6 mm

  • Thickness: Around 3.6 mm

  • Beat Rate: 4 Hz


Watches Featuring Caliber 1220

The Caliber 1220 was incorporated into several Omega models, such as:

  • Omega Seamaster Professional watches of the 1990s

  • Various Omega De Ville models

  • Some Omega Aqua Terra watches

  • Other mid- to high-end Omega timepieces requiring a precise and robust automatic movement

These watches typically featured:

  • Stainless steel, gold, or two-tone cases

  • Date window at 3 o’clock

  • Classic dial designs with applied indices or numerals

  • Sapphire crystals and screw-down crowns on sport models


Performance and Durability

The 1220 is highly regarded for:

  • Smooth and reliable automatic winding

  • High accuracy and stable timekeeping at 28,800 vph

  • Quickset date function for easy calendar management

  • Hacking seconds for precise time setting

  • Robust construction suitable for daily and professional use

Its higher beat rate contributes to excellent timekeeping precision and a smooth seconds hand sweep.


Maintenance and Servicing

Routine servicing for the 1220 includes:

  • Cleaning and lubrication every 4 to 6 years

  • Replacement of worn parts when necessary

  • Battery replacement is not required as it is mechanical

  • Gasket and seal inspections to ensure water resistance

Due to its ETA-based design, parts and servicing expertise are widely available.


Collector Appeal

Collectors appreciate the Omega Caliber 1220 for:

  • Its reliability and high-performance characteristics

  • Its use in popular and iconic Omega models of the 1990s

  • Mechanical excellence with a smooth 4 Hz beat rate

  • The balance of durability and precision


Final Thoughts

The Omega Caliber 1220 stands as a robust, precise, and reliable automatic movement from Omega’s more recent history. Its blend of Swiss craftsmanship and solid engineering makes it an excellent choice for collectors and enthusiasts seeking dependable mechanical watches from the 1990s and beyond.

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