Description
The Rolex Deepsea Ref. 136660 stands at the pinnacle of professional deep-sea diving watches, combining cutting-edge engineering with Rolex’s hallmark precision and durability. Crafted from corrosion-resistant Oystersteel and featuring a robust 44mm Oyster case, this watch is designed to withstand the extreme pressures of the ocean’s depths, while maintaining the elegance and reliability Rolex is known for.
This model features a striking intense blue to deep black gradient dial, famously known as the “D‑Blue” dial — a tribute to James Cameron’s historic solo dive to the Mariana Trench. The contrasting large Chromalight markers ensure excellent legibility even in total darkness, while the unidirectional rotatable bezel with a black Cerachrom insert allows for precise dive-time tracking.
The Calibre 3235 automatic movement inside is a powerhouse of Rolex innovation, offering enhanced efficiency, exceptional precision, and a 70-hour power reserve. Designed with the patented Ringlock System, Triplock crown, and a Helium Escape Valve, the Deepsea guarantees water resistance up to an extraordinary 3,900 meters / 12,800 feet.
Engineered for saturation diving yet refined enough for everyday wear, the Deepsea 136660 is a fusion of performance and presence.
✅ Technical Specifications:
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Model: Rolex Deepsea
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Reference: 136660
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Case Material: Oystersteel (904L stainless steel)
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Case Diameter: 44 mm
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Case Thickness: Approx. 17.7 mm
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Bezel: Unidirectional rotatable bezel with 60-minute graduation; black Cerachrom ceramic insert with platinum-coated numerals
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Dial: D-Blue gradient dial (blue to black), large Chromalight markers and hands with long-lasting blue luminescence
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Crystal: 5.5 mm thick domed sapphire, scratch-resistant
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Water Resistance: 3,900 meters / 12,800 feet (Ringlock System, Triplock screw-down crown, Helium Escape Valve)
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Movement: Rolex Calibre 3235, perpetual, mechanical, self-winding
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Power Reserve: Approximately 70 hours
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Functions:
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Hours, minutes, seconds
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Instantaneous date with rapid setting
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Stop-seconds for precise time setting
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Oscillator: Blue Parachrom hairspring, anti-magnetic
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Shock Absorption: Paraflex shock absorbers
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Bracelet: Oyster bracelet in Oystersteel, three-piece solid links
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Clasp: Oysterlock safety clasp with Rolex Glidelock extension system + Fliplock extension link (allows tool-free adjustment even over wetsuits)
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Certification: Superlative Chronometer (COSC + Rolex in-house certification post-casing)
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Lug Width: 21 mm
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Lug-to-Lug: Approx. 52 mm
