Important Collectors' Wristwtches, Po...

New York, Sep 26, 2007

LOT 87

"White Gold Sonata Cathedral Dual Time" Ulysse Nardin, Le Locle, Suisse, "Sonata Cathedral Dual Time", No. 409, Ref. 660-88. Made in 2004. Production of this reference started in 2003. Very fine, rare and unusual, center seconds, self-winding, water-resistant, two-time-zone, 18K white gold wristwatch with 24-hour alarm function, alarm countdown, large date and an 18K white gold Ulysse Nardin deployant clasp. Accompanied by a fitted box and certificate.

C. Three-body, solid, polished, fluted lugs, protected blue enamel crown, case back with 6 screws, embossed with the ?Sonata? logo, pushbutton at 4 to adjust the hour hand backward and at 8 to adjust it forward. D. Silvered, partial vertical ?fausses côtes? decoration and partial plain sector, outermost applied blued steel dart indexes, subsidiary dials for the 24-hour alarm countdown, the alarm setting, the 24-hour second time-zone, apertures for the large 2-digit date and the alarm?s centrifugal governor under a blued steel bridge. Blued steel ?fancy? hands with luminous tips, red hand to switch the alarm function on or off. M. Cal. UN-67, rhodium-plated, "fausses côtes" decoration, 109 jewels, straight-line lever escapement, monometallic balance, shock absorber, self-compensating flat balance spring, alarm repeating on gong, automatic adjustment of alarm function and alarm countdown when a time-zone is changed, special patented mechanism to adjust the hour hand backward and forward. Dial, case and movement signed. Diam. 43 mm. Thickness 13 mm.