Important Collectors’ Wristwatches, P...

Geneva, Oct 04, 2009

LOT 54

Pièce Unique De Witt, Genève, ?Academia Silicium Grande Date?Piece Unique?, case No. 1601.48, Ref. AC.1601.48.M623. Made as a one-of-a-kind piece circa 2007. Very fine and unique, self-winding, water-resistant, 18K white gold wristwatch with pure silicon dial, center seconds, day-date and an 18K white gold De Witt deployant clasp. Accompanied by fitted box and Certificate of Authenticity.

C. Three-body, polished and frosted, notched and stepped bezel, band with ?Imperial columns?, straight lugs, back with central silicon inset panel and six nuts, sapphire crystal. D. Pure silicon plate 2/10 mm thick, suspended by 12 brushed gold attachments on the rim, each engraved with a letter spelling ?JDe Witt G Date?, double aperture at 12 for the date and aperture for the day at 6. Luminous white gold baton hands. M. Cal. DW 1501/1601, rhodium-plated, 21 jewels, straight line lever escapement, monometallic balance, shock absorber, self-compensating flat balance spring, micrometer regulator, 22K gold rotor, hack mechanism. Dial, case and movement signed. Diam. 43 mm. Thickness 12 mm