The Collection of a European Nobleman

Geneva, May 11, 2008

LOT 117

Academia Silicium Hora Mundi De Witt, Genève, ?Academia Silicium Hora Mundi ? Piece Unique?, No. 2021.48. Made as a one-of-a-kind piece in 2007. Very fine and unique, self-winding, water-resistant, 18K white gold world-time wristwatch with pure silicon dial, centerseconds, 24-hour second-time-zone indication, date and a De Witt 18K white gold deployant clasp. To be sold without reserve

CHF 15,000 - 20,000

EUR 9,500 - 13,000 / USD 15,000 - 20,000

Sold: CHF 26,400

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, button at 2 for advancing the world time dial, pusher for independently setting the 24-hour dial, sapphire crystals. D. Pure silicon plate 2/10 mm thick, glacier gray/black, suspended by 12 brushed gold attachments on the rim, each engraved with a letter spelling ?De Witt H Mundi?, double aperture at 9 with 24-hour time zone and local time indicator with the names of 24 world cities, aperture for the date at 3. Luminous white gold hands. M. Cal. DW 2021, straight line lever escapement, monometallic balance, shock absorber, self-compensating flat balance spring, micrometer regulator, 22K gold rotor. Dial, case and movement signed. Diam. 39 mm. Thickness 12 mm. .


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Grading System
Grade: AAA

Excellent

Case: 2

Very good

Movement: 2*

Very good

Overhaul recommended, at buyer's expense

Dial: 1-01

As new

HANDS Original

Notes

Silicium
The latin word for silicon. Measured by mass, silicon makes up 25.7% of the earth's crust and is the second most abundant element on Earth, after oxygen. Pure silicon crystals are only occasionally found in nature; they can be found as inclusions with gold and in volcanic debris