The year 2018 marked a significant turning point for the iconic Rolex Submariner. This wasn't just a cosmetic refresh; it represented a fundamental shift in the watch's inner workings, replacing the venerable Calibre 3135 with the newly developed Calibre 3235. This upgrade, though seemingly subtle at first glance, brought about a range of improvements that solidified the Submariner's position as a benchmark in professional diving watches and luxury timekeeping. But even with the advancements, a lingering question remains for some: was the change truly necessary, and does the 3235 offer a significant enough leap forward to justify the upgrade? Let's explore this in detail, comparing the 3135 and 3235 movements, examining the 2018 Submariner in the context of other Rolex models, and considering the broader impact of Baselworld releases around that time.
Rolex Model 3235 vs 3135: A Comparative Analysis
The heart of the 2018 Submariner upgrade lies in the shift from the Calibre 3135 to the Calibre 3235. Both are automatic movements renowned for their robustness and reliability, hallmarks of Rolex craftsmanship. However, the 3235 boasts several key advancements, showcasing Rolex's commitment to continuous improvement:
* Chronometer Certification: Both movements are officially certified chronometers by COSC (Contrôle Officiel Suisse des Chronomètres), guaranteeing high accuracy. However, Rolex subjects its movements to further, more stringent in-house testing, ensuring even greater precision.
* Power Reserve: The 3235 offers a slightly extended power reserve of approximately 70 hours compared to the 3135's 48 hours. This is a substantial improvement, particularly for those who may not wear their watch daily. The longer power reserve provides greater convenience and eliminates the need for frequent winding.
* Escapement: The 3235 incorporates a Chronergy escapement, a patented Rolex design. This escapement boasts greater efficiency and is less sensitive to shocks and impacts, enhancing the movement's reliability and longevity. The 3135 uses a traditional lever escapement.
* Oscillator: The 3235 utilizes a blue Parachrom hairspring, also a Rolex innovation. This hairspring is made from a paramagnetic alloy, making it resistant to magnetic fields and temperature variations, contributing to improved accuracy and stability. The 3135 uses a traditional hairspring.
* Improved Efficiency: The combination of the Chronergy escapement and the optimized architecture of the 3235 results in greater efficiency, extending the power reserve and contributing to the watch's overall performance.
* Date Mechanism: While both movements feature a date function, the 3235's date-changing mechanism is refined for smoother operation.
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