Important Modern & Vintage Timepieces

Hong - Kong, Oct 09, 2010

LOT 257

Rolex Ref. 16550 - Ivory Dial - Explorer II Rolex, ?Oyster Perpetual Date, Explorer II, Superlative Chronometer, Officially Certified,? case no. 8399202, Ref. 16550. Made in 1984. Fine, two time zone, center seconds, self-winding, water resistant, stainless steel chronometer wristwatch with date, 24-hour bezel and hand, independently adjustable 12-hour hand and a stainless steel Rolex Jubile bracelet. Accompanied by a Rolex service box.

C. Three-body, polished and brushed, screwed-down case back and crown, graduated 24-hour bezel for the second time zone, Twinlock winding crown protected by the crown guard, sapphire crystal with cyclops lens. D. Ivory-color with applied luminous round, triangular and baton steel indexes, outer minute divisions, aperture for the date. Luminous steel skeleton hands. M. Cal. 3085, rhodium-plated, 27 jewels, straight-line lever escapement, monometallic balance adjusted to temperatures and 5 positions, shock absorber, selfcompensating freesprung Breguet balance spring, Microstella regulating screws, hack mechanism. Dial, case and movement signed. Diam. 40 mm. Thickness 13 mm. Approx. overall length 180 mm.