The Omega Caliber 1433 is a Swiss-made quartz analog movement, developed as part of Omega’s 14xx-series in the late 1980s. It was designed to power watches that combined classic styling with the benefits of modern quartz technology. The 1433 balanced slim construction with enhanced features like central seconds, quickset date, and hacking seconds, appealing to both casual and professional wearers.
Closely related to the Caliber 1430 and 1431, the 1433 offered improved circuitry and power management, making it one of Omega’s more dependable quartz movements of the era.
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: Approx. 2 years
Hacking Seconds: Yes
Quickset Date: Yes
Dimensions: Diameter ~18.2 mm, thickness ~2.5 mm
Finish: Rhodium-plated bridges, modular design
The Caliber 1433 was used in various Omega models from the late 1980s and early 1990s, including:
Omega De Ville Quartz
Omega Seamaster Quartz (particularly dress and mid-size variants)
Omega Constellation Quartz (non-chronometer versions)
Regional market-specific models in Europe and Asia
These watches typically featured:
Case sizes ranging from 32 mm to 36 mm
Stainless steel, gold-plated, or two-tone cases
Date windows at 3 o’clock
Classic, minimalist dial designs with applied indices or Roman numerals
The 1433 delivered:
Precise and consistent timekeeping suitable for daily and professional use
A smooth ticking seconds hand with hacking functionality for precise time setting
Convenient quickset date adjustment
Long battery life, usually around 24 months, with efficient power use
Quiet operation and traditional analog display for a classic look
Maintenance for the Caliber 1433 is straightforward:
Battery replacement every 2 years or so
Periodic gasket replacement for water resistance
Access to spare parts and donor movements remains good, thanks to its ETA heritage
Qualified watchmakers and Omega service centers continue to support this movement.
While quartz movements are often overlooked, the 1433 has value for:
Collectors interested in vintage Omega quartz watches
Those seeking affordable Swiss luxury
Enthusiasts of late 20th-century watch design
People wanting a reliable, stylish watch with minimal maintenance
Original condition models with full documentation are especially prized.
The Omega Caliber 1433 stands as a testament to Omega’s commitment to high-quality quartz watchmaking during a transitional period. It offers a blend of precision, reliability, and elegance, making it a worthy choice for both collectors and daily wearers looking for a classic Swiss timepiece with quartz convenience.
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