The Rolex Deepsea, particularly the iconic "D-Blue" dial variant, has captivated watch enthusiasts for its robust build, impressive water resistance, and striking aesthetic. The model underwent a significant update in 2018, marking a notable shift from its 2014 predecessor, the reference 116660. This article delves into the key differences between the 2014 (ref. 116660) and 2018 (ref. 126660) Rolex Deepsea D-Blue, comparing their movements, features, and overall value proposition, ultimately helping you decide which model best suits your needs and budget. We'll also explore the broader market, looking at current prices for various Deepsea models, including the 116660, the 126660, and other relevant references like the Sea-Dweller 44mm.
The Heart of the Matter: Movement Upgrades
The most significant upgrade between the 2014 and 2018 models lies within their movements. The 2014 Rolex Deepsea (ref. 116660) houses the tried-and-true Caliber 3135, a workhorse movement known for its reliability and robustness. This automatic movement boasts a power reserve of approximately 48 hours and is a staple in many Rolex models. It's a proven performer with a long history of excellent performance and serviceability.
However, the 2018 Rolex Deepsea (ref. 126660) introduces the Caliber 3235, a significant advancement. This movement represents a major step forward in Rolex's horological technology. The Caliber 3235 boasts a longer power reserve of approximately 70 hours, a considerable improvement over the 3135. Beyond the increased power reserve, the 3235 incorporates Chronergy escapement, which is more efficient and resistant to shocks. It also features a Paramagnetic blue Parachrom hairspring, significantly enhancing its anti-magnetic properties and overall accuracy. This makes the 3235 a more modern, technically advanced, and arguably more resilient movement.
The shift from the 3135 to the 3235 is not merely an incremental update; it represents a generational leap in Rolex's movement technology, significantly impacting the watch's performance and longevity. This alone makes the 2018 model a compelling choice for those prioritizing cutting-edge technology.
Beyond the Movement: Subtle but Significant Differences
While the movement upgrade is the most prominent difference, several other subtle changes distinguish the 2014 and 2018 models. These might seem minor on paper, but they contribute to the overall user experience and the watch's aesthetic appeal.
One notable difference is the case construction. While both models feature the iconic 44mm Oyster case, known for its water resistance of 3,900 meters (12,800 feet), the 2018 model incorporates subtle refinements in its construction. These refinements, though not explicitly detailed by Rolex, contribute to improved durability and potentially enhanced water resistance. The exact nature of these improvements remains largely undocumented, but they likely involve advancements in materials science and manufacturing techniques.
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