Omega Caliber 1426: Precision Quartz in a Minimalist Package

The Omega Caliber 1426 is a Swiss quartz analog movement, introduced in the early 1980s as part of Omega’s continued expansion into quartz technology. Closely related to other calibers in the 14xx series such as the 1420 and 1425, the 1426 was developed with a specific purpose in mind: to deliver reliable, battery-powered timekeeping in slim, refined wristwatches, often intended for women or smaller men's dress models.

This movement reflects Omega’s commitment during the quartz era to blend precision with practicality, especially in fashion-conscious models.

Technical Specifications

• Type: Quartz analog

• Functions: Hours, minutes (no seconds), quickset date

• Jewels: 6

• Battery: 321 (SR616SW)

• Frequency: 32,768 Hz (standard quartz crystal)

• Accuracy: ±15 seconds/month

• Power Reserve: ~2 years

• Quickset Date: Yes

• Hacking Seconds: Not applicable (no seconds hand)

• Dimensions: Approx. 13 mm in diameter; ultra-thin

• Finish: Rhodium-plated, compact architecture

The two-hand layout (hours and minutes only) was intentional, allowing Omega to create ultra-thin case designs with elegant proportions. The exclusion of a central seconds hand also helped improve battery life and reduced mechanical wear.

Watches Featuring Caliber 1426

Caliber 1426 was commonly found in:

• Omega De Ville Quartz (mini and ladies' sizes)

• Omega Constellation Slimline quartz models

• Select unisex dress watches from the early 1980s

These watches were typically:

• 24–30 mm in diameter

• Made with stainless steel, gold-plated, or full gold cases

• Fitted with minimalist dials—featuring baton indices, Roman numerals, or applied Omega logos

• Equipped with a date window at 3 o’clock

The movement was designed to maximize dial space while keeping the time display clean and elegant, in line with prevailing fashion trends of the era.

Performance in Practice

The Caliber 1426 delivered on Omega’s promise of low-maintenance luxury:

• Excellent accuracy, with monthly deviation of less than 15 seconds

• Minimal upkeep, needing only a battery change every two years

• Silent operation, with no ticking due to lack of seconds hand

• Long-lasting components, especially in models kept in good condition

It was an ideal choice for customers who wanted style, convenience, and Swiss reliability in a discreet package.

Maintenance and Servicing

The 1426 remains relatively easy to service, though it requires specialized care due to its compact size. Key considerations include:

• Battery changes using a 321 cell

• Periodic cleaning and gasket replacement

• Possible need for donor movements or vintage parts for repairs

Vintage watchmakers and Omega service centers can still service these movements with the right tools and parts.

Collector Appeal

Collectors and enthusiasts today appreciate the Caliber 1426 for:

• Its role in Omega’s quartz heritage

• Ultra-slim vintage watch designs

• Affordable access to Swiss-made elegance

• Period-correct style from the late 1970s and early 1980s

Though less known, it holds value for those restoring or preserving Omega’s refined quartz classics.

Final Thoughts

The Omega Caliber 1426 is a perfect example of how Omega brought precision and practicality to the quartz revolution—especially in compact, elegant wristwatches. With its quiet performance and timeless design applications, it remains a subtle but important piece of Omega’s horological history.