The Rolex Sea-Dweller, a legendary dive watch renowned for its robustness and exceptional water resistance, underwent a significant update in 2017 with the introduction of the reference 126660. While the year 2018 didn't see a model change per se, the subtle differences between watches produced in late 2017 and those produced throughout 2018 deserve closer examination. This article will dissect the key distinctions between these near-identical timepieces, drawing on comprehensive reviews and expert opinions to provide a clear picture for prospective buyers.
The 2017 Revolution: Introducing the Ref. 126660
Before delving into the subtle 2017-2018 variations, it's crucial to understand the significant leap forward represented by the ref. 126660. This model replaced its predecessor, the ref. 116660, bringing with it several notable improvements. The most significant change was the movement. The trusty Caliber 3135, a workhorse movement known for its reliability, was replaced by the newer Caliber 3235. This newer movement boasts improved power reserve (70 hours compared to 48), increased efficiency, and enhanced chronometric performance. This upgrade alone significantly elevated the Sea-Dweller’s functionality and appeal.
Beyond the movement, the ref. 126660 also featured a wider bracelet. The previous 20mm bracelet was widened to 21mm, offering a more substantial and robust feel on the wrist. This seemingly minor change significantly impacts the overall aesthetic and wearing experience. Further enhancing its presence, Rolex subtly added a Rolex coronet at the 6 o'clock position on the dial, a small but noticeable detail that adds to the watch's refined elegance.
(Rolex Sea-Dweller 43mm review; Rolex Sea-Dweller deepsea review; Rolex Sea-Dweller 4000 reviews; Rolex Sea-Dweller 43 review; Rolex Sea-Dweller 116660 review) These reviews consistently highlight the improvements of the ref. 126660 over its predecessor, praising the enhanced movement, the wider bracelet, and the overall improved aesthetic. The 43mm case size, a consistent feature across these models, is frequently lauded for its comfortable wearability despite its substantial presence. Reviews of the Deepsea, while a separate model, often serve as a comparative point, highlighting the Sea-Dweller's ability to strike a balance between rugged functionality and everyday wearability. The 4000m water resistance (hence the "4000" in many reviews) remains a key selling point, showcasing the watch's exceptional capabilities. Comparisons with the older ref. 116660 frequently emphasize the superior performance and features of the ref. 126660.
The 2017-2018 Nuances: Subtle Differences and Production Variations
While the ref. 126660 remained largely unchanged throughout 2018, subtle variations exist between watches produced in late 2017 and those produced later in 2018. These differences are often minor and may not be readily apparent to the untrained eye, but they are significant to serious collectors. These variations could include minute changes in dial printing, lume application, or even the subtle adjustments in the case finishing. These are often only discernible through detailed comparison of multiple watches or through microscopic analysis.
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