The Breitling Bidynator, specifically the reference 2509, represents a fascinating chapter in the history of Breitling, a brand synonymous with precision and aviation. This article will explore the intricacies of this iconic 1950s timepiece, delving into its design, movement, variations, and its enduring appeal in the contemporary collector's market. We'll examine specific examples, like the one advertised as a "50's vintage watch men's Breitling Bidynator ref. 2509 25 automatic Felsa 1560," to understand the nuances and variations within this reference number.
The Breitling Bidynator wasn't just another watch; it was a statement. Its name, a portmanteau of "bi" (meaning two) and "dynator" (referring to the power), hinted at its unique dual-winding system. This innovative mechanism, a hallmark of the Bidynator line, allowed for automatic winding via the rotor, but also offered the option of manual winding via the crown. This dual functionality provided a level of robustness and reliability rarely seen in automatic watches of its era. The added benefit of manual winding ensured the watch continued to function even if the automatic winding mechanism experienced a temporary malfunction. This was a significant advantage, particularly for pilots and adventurers who relied on their timepieces for critical timing.
The reference 2509, often appearing in listings as "Breitling Geneve Bidynator Automatic, ref. 2509, in steel," showcases the typical characteristics of the Bidynator line. The steel case, usually measuring around 35-37mm in diameter (a common size for men's watches of the period), housed the intricate Felsa 1560 movement. This movement, a reliable and well-regarded automatic caliber, was frequently used in Breitling watches of this era. The Felsa 1560's reputation for accuracy and longevity contributed significantly to the Bidynator's overall appeal.
Variations within the reference 2509 are not uncommon. The dial, for example, could feature different styles and variations. Some examples show simple baton hour markers, while others might incorporate applied indices or even Arabic numerals. The hands, too, could vary in style, sometimes exhibiting a more slender design and at other times a broader, more substantial form. The subtle differences in dial and hand design contribute to the unique character of each individual Bidynator 2509. The caseback, often engraved with various markings, including the reference number, further adds to the watch's individuality. These markings provide crucial information for authentication and dating.
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