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.
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
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
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.
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.
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
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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