The Rolex 15 Rubis movement, a testament to the brand's early commitment to precision and reliability, holds a special place in the hearts of vintage watch enthusiasts. While not as widely discussed as some of Rolex's later, more complex calibers, the 15 Rubis represents a significant chapter in the brand's history, showcasing its evolution from a relatively young company to a global leader in horology. This article will explore the 15 Rubis movement, its variations, its significance within the broader Rolex lineage, and its enduring appeal in the collector's market.
Understanding the 15 Rubis Designation:
The "15 Rubis" designation simply refers to the number of jewels used in the movement's construction. Jewels, typically synthetic rubies, are strategically placed at points of high friction within the mechanism to reduce wear and tear, improve lubrication, and enhance the overall longevity and accuracy of the watch. While 15 jewels might seem modest compared to the higher jewel counts found in later Rolex movements and contemporary watches, it was a respectable number for its time, signifying a well-engineered and robust timekeeping instrument.
Variations and Models Featuring the 15 Rubis Movement:
The Rolex 15 Rubis movement wasn't a single, monolithic entity. Several variations existed, often subtly differing in their construction and functionality depending on the specific watch model and the year of production. This makes identifying and dating specific 15 Rubis movements a fascinating exercise for collectors and watchmakers. Some notable examples include:
* Rolex 15 Rubis Ladies Superbalance Watch Movement: This specific mention in the provided text highlights the use of the 15 Rubis movement in smaller, ladies' watches. The "Superbalance" designation likely refers to a specific type of balance wheel used to enhance the timekeeping accuracy. These watches often featured elegant designs and smaller cases, showcasing the versatility of the 15 Rubis movement.
* Rolex Oyster 4444 Vintage 15 Rubis Movement: The reference to a "Rolex Oyster 4444 Vintage 15 Rubis Movement" points to a specific model number incorporating this movement. The Oyster case, known for its water resistance, further emphasizes the robust nature of the 15 Rubis and its suitability for a range of applications beyond purely dress watches.
* Rolex Shock Resisting 15 Rubis Movement: The inclusion of "shock-resisting" in the description suggests that certain variations of the 15 Rubis incorporated features designed to mitigate the impact of shocks and jolts, enhancing the movement's resilience and longevity. This was a significant advancement for the time. Incabloc, a popular shock protection system, was not consistently used with the 15 Rubis.
* The Rolex Cal. 618 without Incabloc: The mention of the Rolex Cal. 618 without Incabloc highlights the evolution of shock absorption technology. While some 15 Rubis movements may have incorporated Incabloc (a shock-absorbing system), others did not, reflecting the progression of watchmaking techniques during the period. The absence of Incabloc doesn't necessarily diminish the movement's quality but reflects its production timeframe.
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