Omega Caliber 1532A: A Classic Automatic Movement with Precision Engineering

The Omega Caliber 1532A is an automatic mechanical movement introduced in the early 1970s as an evolution within the 1500-series. Based on the highly regarded ETA 2892A2 movement, the 1532A was further refined by Omega to enhance reliability and accuracy. It features robust construction and smooth operation, making it a favorite among collectors and enthusiasts.

The caliber is well known for its solid performance in various Omega watches, including models within the Seamaster and Constellation lines.

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 1532A

The Caliber 1532A was primarily used in:

• Omega Seamaster Automatic watches from the early to mid-1970s

• Omega Constellation models

• Some vintage Omega Genève watches

• Other Omega timepieces requiring a thin, reliable automatic movement with date function

Typical watches with the 1532A movement include:

• Stainless steel or gold-plated cases

• Date windows at 3 o’clock

• Classic dials with applied indices or Roman numerals

• Sapphire or acrylic crystals depending on production year

Performance and Durability

The 1532A is valued for:

• Smooth and reliable automatic winding thanks to the efficient rotor design

• Strong durability suitable for daily wear

• Quickset date functionality for easy calendar adjustments

• Hacking seconds for precise time setting

• Thin profile allowing for slimmer watch cases

Its ETA base provides well-established robustness and ease of servicing.

Maintenance and Servicing

Maintenance requirements include:

• Regular servicing every 4–6 years to maintain accuracy and reliability

• Cleaning and lubrication of mechanical components

• Replacement of worn parts as necessary

Due to its ETA foundation, parts and expertise are widely available for servicing the 1532A.

Collector Appeal

Collectors appreciate the Omega Caliber 1532A for:

• Its fine balance of slimness and reliability

• Its presence in iconic Omega models from the 1970s

• High-quality Swiss engineering with mechanical sophistication

• Its suitability for vintage restoration projects

Final Thoughts

The Omega Caliber 1532A remains a highly respected automatic movement that combines precision, durability, and elegant engineering. It is an excellent choice for vintage watch enthusiasts and collectors seeking authentic Omega craftsmanship with a proven track record.