Important Collectors’ Wristwatches, P...

Hong Kong, Apr 23, 2006

LOT 59

Ref. 18000/18078 "Day-Date" Rolex, ?Oyster Perpetual Day-Date, Superlative Chronometer Officially Certified?, Ref.18000/ 18078. Made in 1980. Fine, tonneau-shaped, center-seconds, self-winding, waterresistant, 18K yellow gold gentleman's wristwatch with day and date and an 18K yellow gold President bark-effect bracelet with deployant clasp.

C. Three-body, solid, polished and brushed, screwed-down case back and crown, bark-effect bezel, sapphire crystal with "cyclops" lens. D. Satiné gold with applied yellow gold and black bâton indexes, aperture for the date, outer minute track. Luminous blackened gold "bâton" hands. M. Cal. 3055, rhodium-plated, "oeil-de-perdrix" decoration, 27 jewels, straight line lever escapement, monometallic balance adjusted to 5 positions and temperature, shock-absorber, self-compensating freesprung Breguet balance-spring, hack mechanism. Dial, case and movement signed. Diam 36 mm. Thickness 13 mm.