Omega Caliber 1164: Durable Automatic Chronograph Movement

The Omega Caliber 1164 is an automatic mechanical chronograph movement introduced in the late 1990s. It is based on the ETA/Valjoux 7750, one of the most respected chronograph calibers in the industry, extensively customized by Omega to meet their exacting standards for performance and finishing.

This caliber has powered many of Omega’s iconic Speedmaster and Seamaster chronographs, combining reliability with precise timekeeping.

Technical Specifications

• Type: Automatic mechanical chronograph

• Functions: Hours, minutes, central chronograph seconds, 12-hour and 30-minute counters, date

• Jewels: 25

• Frequency: 28,800 vibrations per hour (vph)

• Power Reserve: Approximately 44 hours

• Diameter: Approximately 30 mm

• Thickness: Around 7.9 mm

Watches Featuring Caliber 1164

The Caliber 1164 has been used extensively in:

• Omega Speedmaster Professional chronographs

• Omega Seamaster chronographs

• Other professional-grade Omega chronographs requiring reliable and robust movements

These watches typically feature:

• Stainless steel or precious metal cases

• Tachymeter or dive bezels

• Date windows commonly positioned at 3 o’clock

• Sapphire or hesalite crystals depending on model

Performance and Durability

The Omega Caliber 1164 is celebrated for:

• Smooth and dependable automatic winding

• Accurate and stable chronograph functions

• Robust construction suited for professional and daily wear

• High beat rate ensuring excellent timekeeping precision

Maintenance and Servicing

Maintenance recommendations include:

• Regular servicing every 3 to 5 years

• Cleaning, lubrication, and calibration of the movement and chronograph components

• Replacement of worn parts to maintain optimal performance

Professional servicing by experienced watchmakers is advised due to the complexity of the movement.

Collector Appeal

Collectors appreciate the Omega Caliber 1164 for:

• Its vital role in Omega’s chronograph lineup for over two decades

• Use in many iconic Speedmaster and Seamaster models

• Mechanical reliability and precision timing

• A balance of vintage charm and modern watchmaking technology

Final Thoughts

The Omega Caliber 1164 stands as a benchmark for automatic chronograph movements, combining Swiss engineering excellence with proven reliability. It remains highly regarded among collectors and enthusiasts worldwide.