Breitling 11

The Breitling 11 represents an automatic mechanical movement developed by Breitling, a significant component in the horological landscape. This caliber is also recognized by its alternative designation, the A. Schild 1580, reflecting its foundational origins. As an automatic movement, the Breitling 11 is engineered to self-wind, drawing power from the natural motion of the wearer's wrist. This feature provides a practical convenience, as it negates the necessity for manual winding when the watch is worn regularly, ensuring continuous operation through kinetic energy. Dimensionally, the Breitling 11 measures 26 millimeters in diameter. This standard size allows for its integration into a variety of watch cases, influencing the overall design and wearability of timepieces it powers. Complementing its diameter, the movement has a height of 5.2 millimeters. This relatively slender profile contributes to a watch's ability to maintain a moderate thickness, enhancing comfort on the wrist and allowing for a less bulky case design. Within its intricate mechanism, the movement incorporates 17 jewels. These synthetic rubies are strategically placed at critical friction points within the gear train, serving to reduce wear and tear on metal components. This reduction in friction is vital for maintaining the movement's long-term accuracy and durability, contributing to its operational lifespan. In terms of performance, the Breitling 11 operates at a frequency of 18,000 vibrations per hour (vph), which translates to 2.5 Hertz (Hz). This beat rate determines the incremental steps of the seconds hand. At 18,000 vph, the balance wheel completes 5 oscillations per second, meaning the seconds hand advances five times per second. While this provides a consistent progression, it results in a discernible, rather than perfectly smooth, sweep compared to higher-frequency movements. The movement offers a power reserve of 41 hours. This specification indicates the duration for which a fully wound watch will continue to run when it is not being worn. A 41-hour power reserve means that if the watch is taken off at the end of the day, it will continue to operate through the following day and into the next morning before requiring rewinding or being worn again to replenish its power. Collectively, the specifications of the Breitling 11 underscore a movement designed for reliable and practical timekeeping. Its automatic winding capability offers everyday convenience, freeing the wearer from the routine of manual winding. The moderate dimensions facilitate versatile watch designs, while the jewel count supports the movement's longevity. The frequency and power reserve define its operational characteristics, providing a consistent display of time and a reasonable period of autonomy when off the wrist. These attributes define the fundamental utility and performance characteristics of this Breitling caliber.

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