The Rolex Sea-Dweller Deepsea, reference 136660, stands as a testament to Rolex's unwavering commitment to pushing the boundaries of horological engineering and diving technology. This robust and reliable timepiece isn't just a watch; it's a statement of purpose, a symbol of exploration, and a pinnacle of luxury watchmaking. Its impressive 3,900-meter (12,800-foot) water resistance, coupled with its sophisticated internal mechanisms and striking design, solidifies its position as one of the most coveted dive watches in the world. This article delves deep into the specifications, history, variations, and market value of the 136660, providing a comprehensive overview for both seasoned collectors and aspiring owners.
Rolex 136660 Specs: A Technical Masterpiece
The 136660 boasts a formidable array of technical specifications that underpin its exceptional performance and reliability. Let's explore the key features that make this watch a legend in its own right:
* Water Resistance: The most striking feature, and the one that defines the watch's purpose, is its incredible 3,900-meter water resistance. This is achieved through a meticulously engineered case, incorporating a Triplock winding crown and helium escape valve. This level of water resistance allows the watch to withstand the crushing pressures of the deepest ocean trenches.
* Movement: Powering this titan of a watch is the self-winding Caliber 3235, a supremely accurate and robust movement entirely developed and manufactured by Rolex. This movement incorporates several patented technologies, including the Chronergy escapement, which offers greater efficiency and resistance to shocks. The Parachrom hairspring, made from a paramagnetic alloy, is virtually impervious to magnetic fields, ensuring exceptional precision even in challenging environments. The power reserve is approximately 70 hours, providing ample timekeeping even if the watch isn't worn for a period.
* Case Material: The 44mm Oyster case is crafted from high-grade 904L stainless steel, known for its exceptional corrosion resistance and lustrous finish. This material is chosen not only for its aesthetic appeal but also for its ability to withstand the harsh conditions of deep-sea diving. The unidirectional rotating bezel, crucial for tracking dive times, is also made from 904L steel and features a Cerachrom insert, ensuring exceptional scratch resistance and colour stability.
* Crystal: Protecting the dial is a scratch-resistant sapphire crystal, offering excellent clarity and durability. The crystal is virtually impervious to scratches, ensuring the dial remains legible and pristine even after years of use.
* Dial and Hands: The 136660 typically features a striking black dial with luminous hour markers and hands, ensuring exceptional legibility in low-light conditions. The date window is positioned at 3 o'clock, maintaining the watch's overall balanced aesthetic. While the original release featured a black dial, later variations introduced other colors.
* Bracelet: The watch is fitted with a robust Oyster bracelet, also crafted from 904L stainless steel. The bracelet features solid links, ensuring exceptional strength and comfort. The Oysterlock safety clasp prevents accidental opening, while the Glidelock extension system allows for easy adjustment of the bracelet length, accommodating the wearer's needs, particularly when wearing a wetsuit.
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