Omega Caliber 1250: High-Precision Automatic Movement

The Omega Caliber 1250 is an automatic mechanical movement introduced in the 1990s, developed as part of Omega’s ongoing refinement of its mechanical calibers. This movement is based on the ETA 2892-A2 platform, modified and finished to Omega’s high standards, ensuring superior reliability and accuracy.

The Caliber 1250 is notable for its balance of durability and smooth operation, making it a preferred choice for many of Omega’s elegant and professional watches.

Technical Specifications

• Type: Automatic mechanical

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

• Jewels: 21

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

• Power Reserve: Approximately 42 hours

• Hacking Seconds: Yes

• Diameter: Approximately 25.6 mm

• Thickness: Around 3.6 mm

• Beat Rate: 4 Hz

Watches Featuring Caliber 1250

The Caliber 1250 was used in various Omega watches including:

• Omega Seamaster models

• Omega De Ville watches

• Select Aqua Terra models

• Other Omega lines requiring precise and reliable automatic movements

Watches featuring the 1250 typically have:

• Stainless steel, gold, or two-tone cases

• Date windows positioned at 3 o’clock

• Sapphire crystals and robust case constructions

• Classic and sporty dial designs

Performance and Durability

The 1250 is well-regarded for:

• Smooth and efficient automatic winding

• Precise timekeeping at 28,800 vph

• Quickset date function for easy adjustments

• Hacking seconds for accurate synchronization

• Strong construction designed for everyday wear

The movement offers a silky-smooth seconds hand motion and robust reliability.

Maintenance and Servicing

Maintenance for the Caliber 1250 includes:

• Regular servicing every 4–6 years

• Cleaning, lubrication, and adjustment of mechanical parts

• Replacement of worn components as necessary

• Water resistance maintenance through gasket and seal inspections

Thanks to its ETA base, parts and servicing expertise are widely available.

Collector Appeal

Collectors value the Omega Caliber 1250 for:

• Its reliability and mechanical sophistication

• Use in several well-known Omega models of the 1990s

• Smooth operation due to its high beat rate

• Balance between durability and refined engineering

Final Thoughts

The Omega Caliber 1250 is a robust and precise automatic movement that embodies Omega’s commitment to quality, reliability, and craftsmanship. It remains a favorite for collectors and enthusiasts seeking Swiss mechanical watches with excellent performance and timeless design.