The Breitling name evokes images of precision, durability, and a rich history in aviation and sport. Within that legacy lies a treasure trove of vintage timepieces, many featuring the coveted "17J Incabloc" designation. This article explores the significance of this marking, its presence in various Breitling models, and the enduring appeal of these vintage watches, drawing upon examples from online marketplaces and auction records, as well as publicly available technical information. The recent listing of a "Vintage LAICA Incabloc - 17J - Manual Wind Swiss Movt." exemplifies the continued interest in these pieces, highlighting the enduring allure of Breitling's vintage offerings.
The "17J" refers to the seventeen jewels used in the watch's movement. Jewels, typically synthetic rubies or sapphires, are strategically placed in the movement to reduce friction and wear, enhancing the accuracy and longevity of the timepiece. The higher the jewel count, generally, the more refined and robust the movement. While seventeen jewels might seem modest compared to modern movements with significantly higher jewel counts, it's crucial to understand the context. For a vintage manual-wind movement, 17 jewels represented a high standard of craftsmanship and precision engineering.
The "Incabloc" component is equally important. Incabloc is a shock-absorption system designed to protect the delicate balance staff from impacts. The balance staff is the heart of the mechanical movement, responsible for regulating the timekeeping. Any significant shock to this component can severely damage the watch, potentially rendering it inaccurate or inoperable. Incabloc, with its ingenious design, significantly mitigated this risk, making the watch more resistant to the bumps and jolts of daily wear, particularly beneficial in the context of Breitling's association with active lifestyles.
The combination of "17J Incabloc" in a Breitling watch, therefore, speaks to a commitment to quality and durability. It represents a watch built to withstand the rigors of its intended use, whether that was the demanding environment of a cockpit or the active lifestyle of its wearer.
Let's examine some specific examples to illustrate the diversity of Breitling 17J Incabloc watches:
1952 Breitling Ref 2906: This reference likely represents a classic example of a Breitling watch from the era when the 17J Incabloc movement was prevalent. The 1950s saw Breitling solidify its reputation for producing robust and reliable timepieces, and the Ref 2906, if equipped with a 17J Incabloc movement, would be a prime example of this period's craftsmanship. Unfortunately, detailed specifications for this reference are often scarce, requiring deeper research into private collections and auction records to fully understand its features and movement variations.
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