Omega Caliber 1152: Advanced Automatic Chronograph Movement

The Omega Caliber 1152 is an automatic mechanical chronograph movement introduced in the early 2000s. It is based on the ETA/Valjoux 7750 platform, extensively modified and finished by Omega to meet their high standards for accuracy, durability, and aesthetics.

This caliber powers several Omega Speedmaster and Seamaster chronographs, combining robust engineering with precise timing functions.

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 1152

The Caliber 1152 has been used in:

• Omega Speedmaster Automatic chronographs of the early 2000s

• Omega Seamaster chronograph models

• Other high-performance Omega chronographs

Typical features of these watches include:

• Stainless steel or precious metal cases

• Tachymeter or dive bezels

• Date windows at 3 o’clock

• Sapphire crystals with anti-reflective coatings

Performance and Durability

The 1152 movement offers:

• Smooth and reliable automatic winding

• Precise and stable chronograph timing

• Robust construction suitable for professional and daily wear

• High beat frequency ensuring accurate timekeeping

Maintenance and Servicing

Recommended servicing includes:

• Regular maintenance every 3 to 5 years

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

• Replacement of worn components to maintain accuracy and reliability

Due to the complexity of chronograph movements, professional servicing by experienced watchmakers is essential.

Collector Appeal

Collectors value the Omega Caliber 1152 for:

• Its important role in Omega’s chronograph lineup during the early 2000s

• Use in iconic Speedmaster and Seamaster models

• Mechanical robustness and precise timing capabilities

• A blend of modern craftsmanship with vintage chronograph appeal

Final Thoughts

The Omega Caliber 1152 remains a highly regarded automatic chronograph movement, embodying Omega’s dedication to precision, durability, and craftsmanship. It continues to be a favorite among collectors and watch enthusiasts.