The Breitling B31 is an automatic chronograph movement designed for high-performance sports timepieces. Known for its reliability and precision, it powers select models emphasizing durability and functionality. This caliber combines modern engineering with practical chronograph capabilities, making it suitable for active use.
What does the Breitling B31 refer to?
The Breitling B31 designation identifies a specific self-winding mechanical movement developed for chronograph functions. It features a robust construction with components optimized for shock resistance and everyday wear. Unlike basic three-hand movements, the B31 includes subdials for elapsed time measurement, appealing to enthusiasts of timing instruments.
What are the key specifications of the Breitling B31?
The Breitling B31 operates at a frequency of 28,800 vibrations per hour, providing smooth seconds-hand sweep. It offers a 38-hour power reserve when fully wound, supported by 47 jewels to reduce friction. The movement measures approximately 13 lignes in diameter and includes a column-wheel mechanism for precise start-stop-reset operations.
Additional features include a vertical clutch for minimal time errors during activation and hacking seconds for accurate setting. These specs ensure consistent performance under various conditions.
Which watches commonly use the Breitling B31 movement?
The Breitling B31 is primarily found in lightweight, water-resistant chronographs designed for sports and diving activities. It equips models with robust cases made from specialized materials, enhancing overall resilience. This integration highlights its role in timepieces built for extreme environments.
What are the advantages of the Breitling B31?
One key benefit is its high beat rate, contributing to superior accuracy without requiring constant adjustments. The 38-hour reserve suits daily wearers who prioritize convenience. Its jewel count minimizes wear, extending service intervals compared to less jeweled calibers.
Limitations include a moderate power reserve relative to some in-house rivals exceeding 70 hours. However, for its category, it balances performance and accessibility effectively.
How does the Breitling B31 compare to similar movements?
Similar to ETA 7750 derivatives or Sellita equivalents, the Breitling B31 offers refined finishing and branding. It stands out with enhanced shock protection and a slimmer profile in certain configurations. Users note its reliability matches industry standards while providing a distinct operational feel.
In summary, the Breitling B31 represents a solid choice for mechanical chronograph enthusiasts seeking precision and durability. Its specifications support demanding applications without unnecessary complexity.
People Also Ask
Is the Breitling B31 an in-house movement?
No, it is based on a modified third-party base but customized with proprietary adjustments for performance.
What is the power reserve of the Breitling B31?
It provides approximately 38 hours of power reserve on a full wind.
Does the Breitling B31 have a date function?
Yes, it includes a date window typically positioned at 6 o’clock.
