Rolex Deepsea D‑Blue Ref# 116660

Overview

The Rolex Sea‑Dweller Deepsea 44 mm Ref. 116660 D‑Blue, often nicknamed the “James Cameron,” is an extraordinary professional dive watch designed to withstand the most extreme underwater conditions. Created in tribute to James Cameron’s historic solo descent into the Mariana Trench in 2012, it features a striking blue-to-black gradient dial symbolizing the ocean’s depth and mystery. This timepiece combines Rolex’s engineering mastery with profound symbolic storytelling.

Key Specifications

• Origin: Switzerland

• Gender: Men’s / Unisex

• Case Diameter: 44 mm, robust Oystersteel construction (904L stainless steel)

• Crystal: Ultra-thick 5 mm sapphire crystal for extreme pressure resistance

• Caseback: Grade-5 titanium with patented Ringlock System, enabling resistance up to 3,900 m (12,800 ft)

• Bezel: Unidirectional 60-minute Cerachrom ceramic insert with platinum-coated graduations for diving precision

• Dial: Gradient “D‑Blue” sunburst dial, transitioning from deep blue to matte black, with green “DEEPSEA” text—an homage to oceanic depths

• Hour Markers: Large Chromalight luminescent markers and Mercedes-style hands for outstanding legibility in low light

• Bracelet: Oystersteel Oyster bracelet with Glidelock extension system for tool-free size adjustment

• Water Resistance: 3,900 m (12,800 ft), featuring Triplock screw-down crown and helium escape valve for uncompromised underwater performance

⏱ Movement

• Type: Automatic (self-winding) with COSC certification and Rolex’s Superlative Chronometer standard of ±2 sec/day accuracy

• Caliber: Rolex Caliber 3135 — a reliable in-house movement with 31 jewels and 48-hour power reserve

Functions

• Hours, minutes, central seconds

• Instantaneous date at 3 o’clock (rapid-set)

• Stop-seconds function for precise time setting

Highlight Summary

The Rolex Deepsea D‑Blue Ref. 116660 is the pinnacle of dive watch engineering, boasting a depth rating of nearly 4,000 m backed by Rolex’s patented Ringlock System and 5 mm sapphire crystal. Its gradient dial is a poetic tribute to James Cameron’s historic dive, marrying deep-sea endurance with emotional storytelling. Powered by the proven Caliber 3135 and built in rugged Oystersteel, this watch blends technical prowess with powerful symbolism—an ideal timepiece for serious divers and passionate collectors alike.