The Breitling B682 isn't a specific model designation like the Navitimer or Chronomat. Instead, it refers to the calibre of automatic chronograph movement found within several Breitling watches. This article delves into the specifics of the Breitling Calibre 13, often referred to as B682 in various contexts, exploring its origins, specifications, and its presence within the larger Breitling family, specifically touching upon models associated with the reference number A68062. The information provided will clarify the relationship between the B682 movement and specific Breitling watches like the Navitimer Heritage A68062, the Breitling 1884 Chronograph A68062, and the Breitling B1 A68362 (note the slight reference number difference highlighting the variety of models using similar movements).
The Breitling Calibre 13, the heart of the discussion, is a robust and reliable automatic chronograph movement based on the highly respected ETA Valjoux 7750. This foundation provides a solid platform for Breitling's modifications and enhancements, resulting in a movement that embodies both precision and durability – hallmarks of the Breitling brand. The ETA Valjoux 7750 is itself a legend in the watchmaking world, renowned for its versatility and reliability, having powered countless chronographs over the decades. Breitling, known for its aviation heritage and commitment to quality, takes this already excellent movement and refines it further to meet its exacting standards.
The Technical Specifications of the Breitling Calibre 13 (B682):
The Breitling Calibre 13 boasts a number of impressive specifications:
* Base Movement: ETA Valjoux 7750 – a well-established and highly regarded automatic chronograph movement. This provides a strong starting point for Breitling's customization.
* Jewels: 25 Jewels – These synthetic rubies reduce friction within the movement, contributing to improved efficiency and longevity. The number of jewels is a common indicator of a movement's complexity and quality.
* Frequency: 28,800 vibrations per hour (vph) – This relatively high frequency contributes to improved accuracy and timekeeping precision. The higher the frequency, the more often the balance wheel oscillates, leading to finer increments of time measurement.
* Power Reserve: While the exact power reserve isn't consistently specified across all sources using the B682 designation, it typically falls within the range of 42-48 hours. This indicates the length of time the watch will run on a full wind before requiring rewinding. Variations might be due to differences in specific model implementations or tolerances within the manufacturing process.
* Functions: The Calibre 13 offers the standard chronograph functions: hours, minutes, seconds, chronograph seconds, 30-minute counter, and 12-hour counter. This functionality makes it suitable for timing events with precision.
* Finishing: While not always explicitly detailed, Breitling typically applies its own finishing touches to the movement, adding to its aesthetic appeal and overall quality. This might include Côtes de Genève (Geneva stripes), perlage (circular graining), and other decorative elements visible through the watch's caseback.
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