Important Modern and Vintage Timepieces

Hong Kong, Feb 26, 2012

LOT 340

ROLEX REF. 16550 EXPLORER II, IVORY RAIL DIAL Rolex, Oyster Perpetual Date, "Explorer II,? Superlative Chronometer, Officially Certified, case No. 9467164, Ref. 16550. Made in 1986. Fine, two time zone, center seconds, self-winding, water resistant, stainless steel wristwatch with date, 24-hour bezel and hand, independently adjustable 12-hour hand and a stainless steel Rolex Oyster Fliplock bracelet.

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, 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, self-compensating freesprung Breguet balance spring, Microstella regulating screws, hack mechanism. Dial, case and movement signed. Diam. 40 mm. Thickness 13 mm. Approx. overall length 200 mm