Omega Caliber 1532B: An Enhanced Automatic Movement for Classic Omega Watches

The Omega Caliber 1532B is an automatic mechanical movement introduced in the mid-1970s as an improved version of the 1532A. Based on the ETA 2892A2 architecture, the 1532B features refinements in finishing and component quality, offering enhanced reliability and smoother operation.

Omega used this caliber extensively in its Seamaster, Constellation, and other luxury lines during a period of innovative mechanical watchmaking.

Technical Specifications

• Type: Automatic mechanical

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

• Jewels: 23

• Frequency: 19,800 vibrations per hour (vph)

• Power Reserve: Approximately 42 hours

• Hacking Seconds: Yes

• Diameter: 28.00 mm

• Thickness: Approximately 3.6 mm

• Beat Rate: 2.75 Hz

Watches Featuring Caliber 1532B

The Caliber 1532B was predominantly used in:

• Omega Seamaster Automatic watches of the mid to late 1970s

• Omega Constellation series

• Select Omega Genève models

• Various other Omega collections requiring a high-quality automatic movement with date

Typical characteristics of these watches include:

• Stainless steel, gold-plated, or two-tone cases

• Date windows at the 3 o’clock position

• Classic dials with applied hour markers or Roman numerals

• Sapphire or acrylic crystals depending on the production year

Performance and Durability

The 1532B is praised for:

• Enhanced automatic winding efficiency and rotor smoothness

• Robust and durable construction suitable for daily use

• Quickset date feature for convenient calendar management

• Hacking seconds mechanism for precise time setting

• Slim movement thickness enabling elegant watch designs

This caliber is known for its balance between performance and reliability.

Maintenance and Servicing

The 1532B requires:

• Routine servicing every 4 to 6 years

• Cleaning, lubrication, and adjustment of mechanical parts

• Replacement of worn components when necessary

Thanks to its ETA roots, replacement parts and servicing expertise are widely accessible.

Collector Appeal

Collectors highly regard the Omega Caliber 1532B for:

• Its refined engineering and improved finishing over the 1532A

• Its presence in sought-after vintage Omega watches

• The balance of robustness and elegance in its design

• The ease of maintenance due to its standardized architecture

Final Thoughts

The Omega Caliber 1532B is a distinguished automatic movement combining precision, durability, and refinement. It remains a popular choice among vintage watch collectors and enthusiasts looking for a reliable and sophisticated Omega timepiece from the mechanical golden age.