It’s almost a tradition for Rolex collectors to assign charming monikers to different variations of their favorite Rolex watches. While none of the officially sanctioned nicknames have quite caught on for the 2017 Sea-Dweller (reference 126600), its substantial improvements over its predecessor, the 16600, have earned it a place of its own in the hearts of many enthusiasts. This review delves deep into the specifics of this iconic timepiece, exploring its design, functionality, and overall value proposition. We'll also touch upon related models and common questions surrounding the Sea-Dweller line.
A New Era for the Sea-Dweller: The 126600
The 2017 Rolex Sea-Dweller, reference 126600, marked a significant shift for the model. While maintaining the core DNA of its predecessors, it introduced several key enhancements that solidified its position as a top-tier professional diver's watch. The most immediately noticeable change was the increase in case size from 40mm to 43mm. This seemingly small adjustment dramatically altered the watch's presence on the wrist, offering a more substantial and imposing feel without sacrificing wearability. Many felt the 40mm 16600 was a bit diminutive for a watch intended for serious diving, and the 43mm case addressed this perfectly.
Beyond the size increase, the 2017 model boasted the updated Calibre 3235 movement. This in-house movement is a marvel of horological engineering, offering improved accuracy, power reserve (approximately 70 hours), and a redesigned escape wheel. The increased power reserve is a game-changer for divers and frequent travelers, ensuring reliable timekeeping even when the watch isn't worn for extended periods. The Calibre 3235 also incorporates Rolex's innovative Chronergy escapement, which is highly resistant to shocks and magnetic fields.
Another notable improvement is the inclusion of the helium escape valve. While present on previous Sea-Dweller models, the 2017 iteration features a subtly redesigned valve, further enhancing its functionality and reliability at extreme depths. This valve is crucial for professional saturation divers, allowing helium gas to escape during decompression, preventing damage to the watch crystal. For recreational divers, it's a testament to the watch's robust engineering and heritage.
The aesthetic changes are subtle but impactful. The updated case features slightly more pronounced lugs, complementing the larger diameter. The cyclops lens over the date window remains, a hallmark of the Sea-Dweller, but is refined for improved clarity. The dial retains the classic Sea-Dweller design cues, with its bold numerals and hands, ensuring excellent legibility even in low-light conditions. The unidirectional rotating bezel remains crucial for safe diving practices, providing accurate tracking of dive times.
Rolex Sea-Dweller 43mm Review: A Deeper Dive
The 43mm case size is the defining feature of the 2017 Sea-Dweller. This increase not only enhances the watch's presence but also provides more real estate for the improved Calibre 3235 movement. The larger size also contributes to improved wrist presence and overall comfort, especially for those with larger wrists. However, it's important to note that the increased size might not be ideal for everyone. Those with smaller wrists might find the 43mm model a bit overwhelming. Ultimately, the ideal size is subjective and depends on individual preferences.
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