Important Collectors’ Wristwatches, P...

Geneva, Mandarin Oriental Hotel Du Rhône, Oct 15, 2006

LOT 261

Ref. 16710 "GMT-Master II" Rolex ?Oyster Perpetual Date, GMT-Master II, Superlative Chronometer, Officially Certified?, Ref. 16710. Made circa 1990. Fine, center-seconds, self-winding, waterresistant, two-time zone, stainless steel gentleman's wristwatch with special 24-hour bezel and hand, independently adjustable 12-hour hand and a stainless steel Oyster bracelet. Accompanied by a fitted box and a certificate.

C. Three-body, polished and brushed, screwed-down case back and protected winding crown, graduated bi-directional revolving red and black bezel for the diurnal and nocturnal hours of the second time-zone in 24 hours, sapphire crystal with "cyclops" lens. D. Black with luminous steel round and triangular indexes, aperture for the date. Luminous steel "skeleton" hands. M. Cal. 3185, rhodium-plated, 31 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 12 mm.