Important Collectors Wristwatches, Po...

Geneva, Nov 14, 2009

LOT 280

Ref. 1665, Sea-Dweller Rolex, "Oyster Perpetual Date, Sea-Dweller, 2000 ft.=610 m., Superlative Chronometer, Officially Certified", case No 6100316, Ref. 1665. Made in 1979. Fine and rare, center seconds, self-winding, water-resistant, stainless steel diver's wristwatch with helium escape valve, date and a stainless steel bracelet.

C. Three-body, polished and brushed, screwed-down case back and crown, case back with engraved "Rolex Oyster, Original Gas Escape Valve", helium escape valve at 9, graduated bi-directional revolving black bezel for the decompression times, Triplock winding crown protected by the crown guard. D. Black with luminous round, triangular and baton indexes, outer minute divisions, aperture for the date. Luminous steel skeleton hands. M. Cal. 1570, rhodium plated, oeil-de-perdrix decoration, 26 jewels, straight-line lever escapement, monometallic balance adjusted to temperatures and 5 positions, shock absorber, self-compensating free-sprung Breguet balance spring, Microstella regulating screws, hack mechanism. Dial, case and movement signed. Diam. 40 mm. Thickness 17 mm. Approx. overall length 190 mm.