Revolution: The Evolution of the Role...

New York, Apr 17, 2008

LOT 225

Ref. 16660, Sea-Dweller 4000 Rolex, ?Oyster Perpetual Date, Sea Dweller 4000ft=1220m, Superlative Chronometer Officially Certified,? Ref. 16660. Made in 1986, sold October 26, 1987. Fine and rare, center seconds, self-winding, water-resistant, stainless steel diver's wristwatch with second generation helium escape valve, date and a stainless steel Fliplock bracelet. Accompanied by the original box, Guarantee Certificate (now void), instruction booklet and bracelet tool.

C. Three-body, polished and brushed, screwed-down engraved case back, graduated unidirectional revolving bezel for the decompression times, Triplock winding crown protected by the crown guard, heluim escape valve at 9, sapphire crystal. D. Black with luminous steel round, triangular and baton indexes, outer minute/seconds divisions, aperture for the date. Luminous steel skeleton hands. M. Cal. 3035, rhodium-plated, 27 jewels, straight line lever escapement, monometallic balance, shock absorber, free-sprung self-compensating Breguet balance spring, Microstella regulating screws, hack mechanism. Dial, case and movement signed. Diam. 40 mm. Thickness 15 mm.