Important Modern & Vintage Timepieces

New York, Apr 09, 2014

LOT 99

ROGER DUBUIS TRI-RETROGRADE MOP DIAL UNION SUIZA 150 ANIVERSARIO 1854-2004 Roger Dubuis, Horloger Genèvois, "Tri-Retrograde - Union Suiza 150 Aniversario, 1854 - 2004," No. 01 / 01, movement No. 231. Made in a very limited edition in 2004, sold on July 11, 2006. Very fine, unusual and probably unique, "cushion-shaped, self-winding, water-resistant, 18K white gold Chronometer wristwatch with retrograde hours, minutes and date and an 18K white gold Roger Dubuis deployant clasp. Accompanied by the original fitted box, Certificate of Origin, Chronometer certificate and setting pin.

USD 20,000 - 30,000

HKD 155,000 - 230,000 / CHF 18,000 - 26,000

Three-body, polished and brushed, curved lugs and screwed bars, transparent back with 8 screws and etched crystal, co-axial button in the crown for advancing the date, sapphire crystals. Natural mother of pearl, in the upper half of the dial concentric retrograde sectors for the hours and minutes with Arabic numerals, in the lower half the retrograde date sector, center engraved with radial lines and "Union Suiza 150 Aniversario." Blued steel cathedral hands. Cal. RD5799, stamped with the seal of Geneva quality mark, rhodium- plated, fausses cotes decoration, 25 jewels, straight-line lever escapement, monometallic balance adjusted to 5 positions, self-compensating flat balance spring, shock absorber, swan neck micrometer regulator, rotor with pierced gold "RD" medallion.


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Grading System
Grade: AA

Very good

Case: 1

As new

Movement: 1*

As new

Overhaul recommended, at buyer's expense

Dial: 1-01

As new

HANDS Original

Notes

Dial, case and movement signed. DIM. 43 X 43 mm. THICKNESS 14 mm.