The Breitling 0604 B3 is not a specific model designation used by Breitling. Breitling's model numbers are generally more complex and incorporate details about the case material, dial, bracelet, and specific features. The "0604" portion might refer to an internal Breitling reference number, but without further context (such as a specific watch's caseback inscription), it's impossible to definitively identify a particular model. The "B3" could potentially denote a variation within a specific model line.
However, the mention of the Breitling Caliber B04 movement allows us to focus on a specific family of Breitling watches, namely the Emergency II line. This allows for a detailed exploration of the movement, its capabilities, and the broader context of Breitling's watchmaking history and serial number systems.
Breitling Caliber B04: The Heart of the Emergency II
The Breitling Caliber B04 is a highly specialized and robust chronograph movement, specifically engineered for the Emergency II line of watches. Unlike many other chronograph movements, the B04 is not just a timekeeping mechanism; it's a survival tool. Its key feature is the integrated personal locator beacon (PLB), a crucial element for emergency situations. This makes the B04 a unique and complex movement that deserves detailed scrutiny.
* In-House Manufacture: Breitling's commitment to in-house movements is a significant factor in its reputation for quality and reliability. The B04, developed and produced entirely within Breitling's manufacturing facilities, reflects this dedication. This allows Breitling to maintain strict quality control and incorporate innovative features tailored to their specific needs.
* 47 Jewels: The high number of jewels (47) is indicative of a sophisticated and robust movement. Jewels are strategically placed in the movement to reduce friction and wear, contributing to the longevity and accuracy of the watch. This is crucial for a watch designed for potentially harsh conditions.
* 28,800 vph (Vibrations Per Hour): This frequency is a common standard for high-quality automatic movements. It indicates a relatively high level of precision and accuracy in timekeeping. The higher frequency generally leads to smoother second-hand sweeps and potentially more accurate timekeeping.
* Power Reserve: While the exact power reserve for the B04 isn't definitively stated in the prompt, Breitling automatic movements typically boast power reserves ranging from 42 to 70 hours depending on the specific model and movement variations. This means the watch can run for approximately one to three days without being wound, a crucial feature for a survival tool.
* Chronograph Functionality: The B04 movement incorporates a chronograph function, allowing the wearer to measure elapsed time with precision. This is a valuable tool in various situations, from timing a race to tracking progress during an expedition.
* Personal Locator Beacon (PLB): This is the defining feature of the B04 movement and the Emergency II watches. The PLB transmits a distress signal to search and rescue services, potentially saving lives in emergency situations. This requires a dedicated power source and antenna system integrated into the watch, adding significant complexity to the movement's design. The integration of the PLB adds considerable bulk to the movement compared to a standard chronograph.
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