Rolex 16600 Sea Dweller SS FULL SET (31666)

31666 Rolex 16600 Sea Dweller stainless steel case that appears un-polished on a stainless steel oyster bracelet, automatic movement, date, centered sweep seconds hand, COSC Certificate, luminescent hands and hour indicators, water resistant to 4000 ft., diameter: 40mm, thickness: 14.1mm, F Series Like new with original box and papers dated February of 2005.


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More about Rolex 16600 Sea Dweller SS FULL SET

This is a stainless steel Rolex Sea Dweller 4000, 16600. The three-body solid 904L grade stainless steel case is polished and brushed, with a monobloc middle case, and an integral Oyster bracelet and a folding Oysterlock safety clasp with a Rolex Glidelock extension system. It has a screwed-down engraved case back, a scratch-resistant sapphire crystal, and a bidirectional graduated, revolving Cerachrom 60-minute bezel with engraved platinum-coated numerals that indicate the decompression times. It includes a Triplock winding crown protected by a crown-guard, and a helium escape valve at 9 o'clock. The dial is black with luminous skeleton hands and round, triangular, baton hour index markers, and a bright Chromalight display with long-lasting blue luminescence. The date aperture is at 3 o'clock, and there's an outer minute/seconds track. It has a centered sweeps seconds hand with a stop settings function for precision timing, and it's water resistant to 1,220 meters (4,000 feet). It has a COSC certification (Certified Official Swiss chronometer), and the dial, case, and movement are all signed.

The automatic winding Rolex caliber 3135 movement is rhodium-plated, and it's constructed with 27 jewels, and a shock absorber mechanism. It includes a straight-line lever escapement, and a monometallic balance adjusted to heat, cold, and 5 positions with Microstella timing screws. It has a self-compensating Breguet balance spring, a central hacking mechanism, and the oscillator works with the paramagnetic blue Parachrom hairspring.

Rolex debuted the Sea Dweller in 1967; it was water resistant to a depth of 610 meters (2,000 feet), and it was upgraded in 1978 to the current 1,220 meters (4,000 feet), making it a pioneer in 1988 when the Hydra VIII Comex mission (Compagnie Maritime d'Expertises) set the world open-sea diving record at 534 meters with a Rolex Oyster Perpetual Sea-Dweller chronometer.