The Omega Caliber 1365 is an automatic mechanical movement introduced in the mid-2000s. Built on the reliable ETA 2892-A2 platform, it features Omega’s proprietary enhancements, including improved shock resistance, accuracy, and finishing quality.
This caliber has powered several Omega models, combining traditional Swiss craftsmanship with modern technology.
Type: Automatic mechanical
Functions: Hours, minutes, central seconds, quickset date
Jewels: 25
Frequency: 28,800 vibrations per hour (vph)
Power Reserve: Approximately 48 hours
Hacking Seconds: Yes
Diameter: About 25.6 mm
Thickness: Around 3.6 mm
Beat Rate: 4 Hz
The Caliber 1365 has been installed in:
Omega Seamaster Professional models of the mid-2000s
Omega De Ville collections
Selected Aqua Terra and other dress watches
Other Omega watches requiring precise and reliable automatic movements
Typical watch features include:
Stainless steel, gold, or two-tone cases
Date windows at 3 o’clock
Sapphire crystals with anti-reflective coatings
Elegant and sporty dial designs
The 1365 movement offers:
Smooth and dependable automatic winding
Stable and accurate timekeeping at 28,800 vph
Quickset date for convenient calendar management
Hacking seconds for precise time synchronization
Enhanced shock resistance suitable for everyday wear
Routine maintenance includes:
Servicing every 4 to 6 years
Cleaning and lubrication of movement parts
Replacement of worn components as necessary
Gasket and seal inspections to maintain water resistance
Parts and servicing expertise are widely available.
Collectors appreciate the Omega Caliber 1365 for:
Its blend of traditional mechanical craftsmanship and modern improvements
Use in popular Omega watches of the mid-2000s
Robustness, precision, and smooth operation
Balanced design suitable for various occasions
The Omega Caliber 1365 reflects Omega’s dedication to precision, durability, and innovation. It remains a favored movement among collectors and enthusiasts seeking reliable Swiss automatic watches with excellent engineering.
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