Omega Caliber 100: A Historic Mechanical Movement

The Omega Caliber 100 is a manual-winding mechanical movement produced by Omega in the early 1900s, around the 1910s to 1920s. It was part of Omega’s first generation of wristwatch calibers and contributed significantly to the brand’s growing prestige as a maker of accurate and dependable timepieces.

This movement reflects the craftsmanship and technological advances of its era, marking an important milestone in Omega’s history.

Technical Specifications

• Type: Manual-winding mechanical

• Functions: Hours, minutes, small seconds subdial at 6 o’clock

• Jewels: Typically 15 to 17

• Frequency: Approximately 18,000 vibrations per hour (vph)

• Diameter: Roughly 30 mm

• Thickness: Slim profile for early wristwatches

Watches Featuring Caliber 100

The Caliber 100 powered many early Omega wristwatches and pocket watches characterized by:

• Classic round cases in gold, silver, or stainless steel

• Small seconds subdial providing precise timekeeping

• Elegant enamel or metal dials with Arabic or Roman numerals

• Early wristwatch designs transitioning from pocket watches

These watches were prized for their reliability and accuracy during a time when wristwatches were gaining popularity.

Performance and Durability

The Omega Caliber 100 was known for:

• Solid and reliable manual winding mechanism

• Durable construction suitable for everyday use in the early 20th century

• Moderate beat rate optimized for longevity and serviceability

• Precision that was competitive for its era, contributing to Omega’s reputation

Maintenance and Servicing

As a vintage movement, the Caliber 100 requires:

• Careful and regular servicing to maintain optimal performance

• Cleaning and lubrication of moving parts

• Replacement of worn components when possible

• Expert handling due to the delicate and historical nature of the movement

Parts can be rare but may sometimes be sourced through specialized watchmakers or Omega archives.

Collector Appeal

Collectors value the Omega Caliber 100 for:

• Its historical importance as one of Omega’s pioneering wristwatch movements

• The craftsmanship and design reflective of early 20th-century watchmaking

• Its role in Omega’s rise as a leading Swiss watch manufacturer

• The vintage charm and character it brings to early wristwatches

Final Thoughts

The Omega Caliber 100 stands as a testament to the early days of wristwatch innovation. It remains a prized piece for collectors and historians interested in the roots of Omega’s legacy and the evolution of mechanical watchmaking.