The Rolex Submariner, a legendary dive watch synonymous with luxury and precision, has undergone subtle yet significant changes throughout its history. Understanding these nuances, especially between models produced in consecutive years like 2019 and 2020, can be crucial for collectors and prospective buyers. While the differences between a 2005/2006 model and a 2020/2021 model are far more pronounced (as we'll touch upon later), comparing the 2019 and 2020 iterations reveals a fascinating glimpse into Rolex's continuous refinement process. This article will delve into the key distinctions between the 2019 and 2020 Submariners, addressing price variations, model numbers, and other relevant aspects often discussed on forums like Reddit's dedicated Rolex and Tudor communities.
The Subtle Shift: 2019 vs. 2020
The truth is, directly comparing a 2019 and 2020 Rolex Submariner is challenging because the significant changes weren't year-specific, but rather part of a broader generational shift that occurred around the time of the 2020 model year. Rolex doesn't typically announce specific yearly updates in a press release manner. Instead, the changes often emerge organically through production runs and subtle alterations in manufacturing processes. Therefore, it's more accurate to discuss the transition period surrounding the introduction of the new generation of Submariners, which began to appear around 2020.
The most significant difference between the "pre-2020" and "post-2020" Submariners lies in the movement. The 2019 models generally featured the calibre 3135, a highly reliable and robust automatic movement known for its accuracy and longevity. The 2020 models, however, started incorporating the calibre 3235, a newer movement with several key improvements:
* Chronergy escapement: This patented escapement, made from nickel-phosphorus, is more resistant to shocks and magnetic fields than traditional escapements. This enhances the watch's overall durability and accuracy.
* Paramagnetic blue Parachrom hairspring: This hairspring, made from a paramagnetic alloy, is also less susceptible to magnetic fields and temperature variations, contributing to improved timekeeping precision.
* Increased power reserve: The calibre 3235 boasts an increased power reserve compared to the 3135, usually around 70 hours versus 48 hours. This means the watch can run for a longer period without needing to be wound.
* Improved efficiency: The 3235 is designed for greater efficiency, meaning less energy is consumed for the same level of performance.
These improvements to the movement are not visually apparent but significantly impact the watch's performance and longevity. While some late 2019 models might have already transitioned to the 3235, the vast majority of 2019 models used the 3135. This difference in movement is the most substantial distinction between the two years, impacting the overall value proposition.
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