Omega Caliber 1150: Advanced Automatic Chronograph Movement of the Early 2000s

The Omega Caliber 1150 is an automatic mechanical chronograph movement introduced in the early 2000s. It is based on the renowned ETA/Valjoux 7750 platform, extensively modified and finished by Omega to meet their high standards of accuracy, robustness, and aesthetic excellence.

This caliber has been used in various Omega Speedmaster and Seamaster chronographs, offering reliable performance and precise timing.

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: About 30 mm

• Thickness: Around 7.9 mm

Watches Featuring Caliber 1150

The Caliber 1150 powered:

• Omega Speedmaster Automatic chronographs of the early 2000s

• Omega Seamaster chronograph models

• Other high-performance Omega chronographs

Typical watch features include:

• Stainless steel or precious metal cases

• Tachymeter or dive bezels

• Date windows, usually at 3 o’clock

• Sapphire crystals with anti-reflective coatings

Performance and Durability

The Omega Caliber 1150 offers:

• Smooth and reliable automatic winding

• Precise and stable chronograph functions

• Robust construction suitable for professional and daily use

• High beat rate ensuring accurate timekeeping

Maintenance and Servicing

Recommended servicing includes:

• Regular maintenance every 3 to 5 years

• Cleaning, lubrication, and adjustment of movement and chronograph components

• Replacement of worn parts to maintain performance and accuracy

Professional servicing by experienced watchmakers is essential.

Collector Appeal

Collectors value the Omega Caliber 1150 for:

• Its importance in Omega’s chronograph history during the early 2000s

• Use in iconic Speedmaster and Seamaster chronographs

• Mechanical reliability and precise timing capabilities

• Modern craftsmanship with vintage appeal

Final Thoughts

The Omega Caliber 1150 is a robust and precise automatic chronograph movement, continuing Omega’s tradition of excellence. It remains highly regarded by collectors and enthusiasts worldwide.