The question of how many jewels are in a Rolex Submariner isn't a simple one-number answer. The number of jewels varies depending on the specific movement powering the watch. While the iconic Submariner has been produced for decades, numerous iterations and caliber upgrades have occurred, each with its own unique internal architecture and, consequently, a different jewel count. This article delves into the intricacies of Rolex Submariner movements, focusing on the jewel count within different calibers, their impact on performance, and other relevant specifications such as accuracy and power reserve.
Understanding the Role of Jewels in a Watch Movement
Before we dive into the specific jewel counts of various Rolex Submariner movements, let's understand the function of jewels within a mechanical watch. Jewels, typically synthetic rubies or sapphires, are strategically placed in a watch movement to reduce friction between moving parts. These hard, smooth stones act as bearings, minimizing wear and tear on delicate components like pivots and escape wheels. This reduction in friction contributes to several key aspects of watch performance:
* Increased Accuracy: Less friction means smoother operation, leading to improved timekeeping accuracy.
* Enhanced Durability: Reduced wear on parts extends the lifespan of the movement and minimizes the need for frequent servicing.
* Improved Longevity: By protecting delicate parts from excessive wear, jewels contribute to the long-term reliability of the watch.
The number of jewels in a movement is not simply a measure of quality; it reflects the complexity and design of the movement itself. More jewels often indicate a more intricate and sophisticated mechanism, although this isn't always a direct correlation. The placement and type of jewels also play a crucial role in performance.
Rolex Submariner Movement Variations and Jewel Counts
Over its history, the Rolex Submariner has employed several different movements. Let's examine some of the most prominent, focusing on their jewel count:
1. Rolex Submariner Movement 3135:
The Rolex Caliber 3135 is a legendary movement that powered many Submariner models for years. This workhorse movement is known for its robustness and reliability. The Caliber 3135 boasts a jewel count of 31. These 31 jewels are strategically positioned throughout the movement to minimize friction and ensure smooth operation. The 3135 is a highly-regarded movement, celebrated for its accuracy and resistance to shocks and magnetic fields. Its relatively high jewel count contributes significantly to its longevity and precision. It's important to note that the 3135 is a self-winding movement, meaning it uses the natural movement of the wearer's wrist to wind the mainspring.
2. Rolex 3132 Movement:
The Caliber 3132 is another significant movement used in some Submariner models. This movement shares similarities with the 3135 but incorporates specific design features optimized for certain Submariner variations. Like the 3135, the 3132 also has a jewel count of 31. The subtle differences between the 3132 and 3135 often lie in minor adjustments to the escapement or other components rather than a significant change in the overall jewel count. Both movements are known for their exceptional reliability and accuracy.
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