The Omega Caliber 1456A is a Swiss quartz analog movement introduced as an upgrade to the 1456 caliber, designed to deliver even greater accuracy and efficiency. This movement continued Omega’s tradition of blending Swiss craftsmanship with modern quartz technology, ensuring wearers enjoy both style and precise timekeeping.
Primarily used in Omega’s De Ville, Constellation, and select Seamaster quartz models, the 1456A offers extended battery life and reliable performance, making it ideal for both everyday and formal watches.
Type: Quartz analog
Functions: Hours, minutes, central seconds, quickset date
Jewels: 6
Battery: 364 (SR621SW)
Frequency: 32,768 Hz
Accuracy: ±10 seconds/month
Power Reserve: Approximately 2.5 years
Quickset Date: Yes
Hacking Seconds: Yes
Dimensions: Approx. 18.2 mm diameter, 2.5 mm thickness
Finish: Rhodium-plated plates with modular design
The 1456A incorporates improvements in energy efficiency and circuit stability, resulting in a longer battery life and consistent timekeeping accuracy.
Omega equipped various models with the Caliber 1456A, including:
Omega De Ville Quartz watches
Omega Constellation Quartz (non-chronometer references)
Omega Seamaster Quartz dress and sport models
Select regional editions, especially in Europe and Asia
These watches typically feature:
Case sizes between 32 mm and 36 mm
Stainless steel, gold-plated, or two-tone cases
Elegant dials with applied indices or Roman numerals
Date windows positioned at 3 o’clock
Sapphire or mineral crystals depending on the model
Owners of watches powered by the 1456A benefit from:
Highly accurate timekeeping within ±10 seconds per month
Smooth, quiet operation with hacking seconds and centrally mounted seconds hand
Convenient quickset date for easy calendar adjustments
Extended battery life averaging around 2.5 years, reducing maintenance frequency
These features make the 1456A a practical and refined choice for those seeking a reliable Swiss quartz watch.
The Caliber 1456A is low-maintenance but requires:
Battery replacement every 2 to 3 years
Gasket and seal checks to maintain water resistance
Availability of spare parts and donor movements through Omega service centers and vintage watch specialists
Regular servicing preserves its longevity and accuracy.
Though quartz movements may be overshadowed by mechanical calibers, the 1456A attracts:
Collectors interested in Omega’s quartz evolution
Buyers seeking reliable and elegant vintage Swiss watches
Enthusiasts of late 1990s watchmaking technology
Those looking for a balance of style, precision, and convenience
The Omega Caliber 1456A exemplifies Omega’s dedication to precision, durability, and sophistication during the quartz era. With improved battery life and stable performance, it remains a solid choice for collectors and watch enthusiasts who value Swiss quartz craftsmanship in a timeless design.
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