Important Collectors' Wristwatches, P...

Hong Kong, Jun 27, 2009

LOT 109

White Gold & Diamond Abyss, No. 5 Cedric Johner, Genève, ?Bi-Retrograde Perpetual Calendar?, No. 5, Ref. Abyss 4897/4. Made circa 2000. Very fine and rare, tonneau-shaped, self-winding, waterresistant, 18K white gold and diamond-set wristwatch with bi-retrograde perpetual calendar, moon phases and an 18K white gold Cedric Johner deployant clasp. Accompanied by a fitted box.

C. Two-body, tonneau-shaped, polished and brushed, entire case and bezel set with 280 round diamonds, transparent hexagonal case back secured by 4 screws, sapphire crystals. D. Guilloché silver with black painted radial Roman numerals on a brushed reserve, sectors for the retrograde days of the week and the retrograde date, subsidiary dial for the month and leap years, aperture for the moon phases. Black gold feuille hands. M. Cal 10, No. 31, rhodium-plated, fausses cotes decoration, 27 jewels, straight-line lever escapement, flat balance spring, monometallic balance, shock absorber, gold micro-rotor. Dial, case and movement signed. Dim 42 x 47 mm. Thickness: 12 mm.