
Rolex
Deepsea
136660
The current-generation Deepsea, refined for a new era of deep diving.
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Overview
The Rolex Deepsea ref. 136660 is the current iteration of the brand's most technically extreme diver, introduced in 2022 as a successor within the long-running Sea-Dweller lineage. Housed in a 44 mm Oystersteel case, it retains the Deepsea's hallmark Ringlock System and sapphire crystal engineered to withstand immense pressure at depth. Dial options span the classic matte black to the striking D-blue gradient, the latter a nod to the ocean's transition from surface light to abyssal darkness.
History
The Deepsea name entered the Sea-Dweller family in the mid-2000s as Rolex's answer to extreme professional diving requirements, building on decades of collaboration with deep-sea explorers and the Swiss watchmaker's long heritage in water-resistant timekeeping. The reference 136660 carries that lineage forward from its predecessor, the ref. 126660, adopting the calibre 3235 movement — a significant upgrade that brought Rolex's Chronergy escapement and an extended power reserve to the Deepsea platform. Its introduction in 2022 marked a continued commitment to both functional excellence and collector appeal, with the D-blue dial remaining one of the most visually distinctive dials in the modern Rolex catalogue.
Notable points
- The 44 mm Oystersteel case employs Rolex's proprietary Ringlock System — a nitrogen-alloyed steel ring, a domed sapphire crystal, and a titanium caseback — enabling water resistance to 3,900 metres.
- Calibre 3235 powers the ref. 136660, featuring the Chronergy escapement for improved efficiency and a power reserve of approximately 70 hours.
- The D-blue dial, inspired by James Cameron's 2012 Deepsea Challenge dive to the Mariana Trench, graduates from deep black at the bottom to vivid blue at the 12 o'clock position.
- The helium escape valve at 9 o'clock is a functional legacy feature, allowing saturation divers to safely decompress the case after extended periods in pressurised environments.
- At 44 mm in diameter and with a notably thick profile, the ref. 136660 occupies the largest and most robust position in the current Rolex sports-watch range.



