The Rolex 3135 and 3136 movements represent the pinnacle of mechanical watchmaking, powering some of the most iconic and sought-after timepieces in the world. While both are renowned for their reliability, precision, and robust construction, subtle differences distinguish them. Understanding these nuances is crucial for collectors, enthusiasts, and anyone considering servicing or purchasing a Rolex equipped with either movement. This comprehensive analysis will delve into the specifics of each movement, comparing their features, performance, and implications for the overall watch experience.
The Rolex 3135: A Legendary Workhorse
The Rolex calibre 3135 is a legendary automatic movement, synonymous with the brand's reputation for excellence. Introduced in the late 1980s, it quickly became the workhorse of the Rolex lineup, powering a wide range of models including the iconic Submariner, GMT-Master II, and Datejust. Its enduring popularity stems from its proven reliability, robust design, and exceptional precision.
Key Features of the Rolex 3135:
* Automatic Winding: The 3135 employs a highly efficient self-winding mechanism, utilizing a rotor to wind the mainspring through the wearer's movements. This eliminates the need for manual winding, providing consistent power reserve.
* Analog Display: The movement provides a classic analog display, with hour, minute, and second hands, along with a date window typically positioned at 3 o'clock.
* Diameter: 28.5mm – a standard size for many Rolex models.
* Jewels: 31 jewels – contributing to the movement's smooth operation and longevity. Jewels act as low-friction bearings, reducing wear and tear on critical components.
* Power Reserve: Approximately 48 hours – allowing the watch to continue functioning even if it's not worn for a couple of days.
* Frequency: 28,800 vibrations per hour (8 beats per second) – ensuring accurate timekeeping.
* Date Function: A quick-set date function allows for easy adjustment of the date.
* Paramagnetic Hairspring: Rolex utilizes a paramagnetic hairspring, made from a non-magnetic alloy, to ensure accuracy even in the presence of magnetic fields. This is a crucial feature for everyday wear.
The Rolex 3136: A Refined Evolution
The Rolex 3136 movement represents a refinement of the already highly successful 3135. While sharing many similarities with its predecessor, the 3136 incorporates several key improvements, primarily focused on enhancing performance and durability. It's often found in specific models, showcasing Rolex's commitment to continuous improvement.
Key Differences between the 3135 and 3136:
The primary difference between the 3135 and 3136 lies in the addition of the Parachrom hairspring in the 3136. This hairspring is made from a paramagnetic alloy developed by Rolex, offering increased resistance to shocks and temperature variations compared to the standard paramagnetic hairspring in the 3135. This significantly improves the movement's accuracy and reliability over time. Other minor internal adjustments and refinements are present, but the Parachrom hairspring is the defining distinction. The overall aesthetics and functionality remain largely the same. Both movements deliver the expected Rolex precision and dependability.
Comparing the Movements: A Detailed Analysis
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