Rolex Sea-Dweller Deepsea Ref. 116660

🌊 Rolex Sea-Dweller Deepsea 44 – Deep Blue Dial – Ref. 116660

🕰️ Overview

The Rolex Sea-Dweller Deepsea Ref. 116660 with the Deep Blue dial is a professional diver’s timepiece built for the most extreme underwater conditions. With its 44 mm stainless steel Oyster case, robust Ringlock System, and unique gradient blue-to-black dial, it is designed for maximum performance at extraordinary depths.

This model was originally introduced to honor historic deep-sea exploration, representing resilience, strength, and the pursuit of technical mastery. Capable of withstanding pressures up to 3,900 meters (12,800 feet), it has become one of the most distinctive and recognized diving watches in the world.

🎨 Dial & Bezel

• Deep Blue Gradient Dial: A dial that fades from vibrant blue to deep black, symbolizing the ocean’s descent into darkness. Large luminescent hour markers and hands with Chromalight ensure long-lasting readability.

• Unidirectional Bezel: Rotatable bezel with a Cerachrom ceramic insert in black, featuring a 60-minute scale filled with platinum. It allows precise tracking of dive and decompression times.

💎 Case & Bracelet

• Case: 44 mm Oyster-style stainless steel case reinforced with the patented Ringlock System, enabling the watch to resist extreme deep-sea pressure. Screw-down titanium case back and Triplock crown ensure maximum security.

• Bracelet: Stainless steel Oyster bracelet with Oysterlock safety clasp, enhanced by Glidelock and Fliplock extension systems for quick adjustments — ideal for fitting over diving suits.

• Water Resistance: Guaranteed to 3,900 m (12,800 ft).

🧠 Movement & Performance

The watch is powered by an automatic self-winding mechanical chronometer movement inspired by Rolex Calibre 3135:

• Functions: Hours, minutes, central seconds, and instantaneous date with Cyclops magnifier.

• Stop-seconds function for precise time setting.

• Parachrom hairspring for improved resistance to shocks and magnetic fields.

• Power reserve of approximately 48 hours.

📊 Key Specifications

✨ Highlight Summary

The Sea-Dweller Deepsea 116660 Deep Blue Dial is a bold and functional diving watch, engineered to withstand conditions far beyond standard dive requirements. Its gradient dial is a visual tribute to the mysteries of the deep ocean, while the heavy-duty case and Ringlock structure ensure unmatched toughness.

From the durable stainless steel construction to the practical diver’s bracelet and professional-grade water resistance, the Deepsea 116660 embodies endurance and strength. It is equally admired as a technical instrument and as a statement of adventurous spirit.