The Rolex Caliber 3130 is a highly regarded automatic movement known for its reliability, accuracy, and robustness. Often incorrectly referred to as the "3130 DVS 7750," this designation is inaccurate and stems from a misunderstanding of Rolex's internal nomenclature and the independent designation sometimes applied by watchmakers or retailers. The "DVS 7750" portion doesn't represent an official Rolex designation for this caliber. This article will explore the true specifications and history of the Rolex Caliber 3130, dispelling the myth of the "3130 DVS 7750" and providing a comprehensive guide to its place within the Rolex family of movements.
Rolex Caliber 3130: Complete Guide
The Caliber 3130, introduced in 2001, represents a significant step in Rolex's commitment to in-house manufacturing and precision timekeeping. It's a direct evolution of previous movements, incorporating improvements in efficiency, reliability, and chronometric performance. Unlike many other movements, the 3130 isn't simply a rebranded or modified existing movement; it's a meticulously engineered mechanism designed and manufactured entirely by Rolex. This in-house control ensures quality and consistency across all production runs.
Key Specifications:
* Movement Type: Automatic mechanical movement
* Rotor: Bidirectional (Duo-directional) perpetual rotor – This ensures efficient winding regardless of the wrist's movement.
* Accuracy: -2/+2 seconds per day (a remarkable level of precision for a mechanical watch)
* Power Reserve: 48 hours – This allows for extended wear without the need for frequent winding.
* Frequency: 28,800 beats per hour (BPH) – This high frequency contributes to the movement's accuracy and smooth operation.
* Jewels: 31 jewels – These synthetic rubies reduce friction and wear on the movement’s components, enhancing longevity.
* Shock Resistance: Inherently robust design with features like the Incabloc shock absorption system, protecting the movement from impacts.
* Introduced: 2001
Watches Featuring the Caliber 3130:
The Caliber 3130 has powered some of Rolex’s most iconic and popular models, including:
* Rolex Explorer: Known for its ruggedness and readability, the Explorer perfectly complements the 3130's reliable performance. The 3130's accuracy and power reserve make it ideal for the Explorer's adventurous spirit.
* Rolex Submariner: The legendary Submariner, a dive watch par excellence, has also benefited from the 3130's robust construction and precision timekeeping. Its reliability is essential in demanding underwater environments.
* Other Models: While the Explorer and Submariner are the most prominent, the Caliber 3130 has also found its way into other Rolex models throughout the years, reflecting its versatility and adaptability.
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