Important Collectors' Wristwatches, P...

New York, Mar 10, 2010

LOT 457

DANIEL ROTH DOUBLE DIAL TOURBILLON Daniel Roth, "Tourbillon Double Face 42 Hour Power Reserve," No. 073. Made in the 1990's. Extremely fine and rare, ellipse-shaped, 18K white gold double-dialed wristwatch with visible one-minute tourbillon regulator, 42-hour power reserve indication, date, and an 18K white gold Daniel Roth buckle.

C. Three-body, solid, polished, case band with roll torus, transparent case back, inset date adjuster to the band, sapphire crystals. D. Front: guilloché, 18K white gold, off-center plain silver ring dial with painted radial Roman numerals, aperture for the visible one-minute tourbillon regulator under a polished steel bridge at 6, carrying the 3-arm seconds hand for the 3 concentric 20-second scales. Blued steel flèche hands. Back: guilloché 18K white gold with applied plain silver ring dial for the date and sector dial for the up-down indication. M. Cal. DR 307, full plate with aperture for the tourbillon regulator, hand-engraved, rhodium-plated, 19 jewels, lateral lever escapement with one-minute tourbillon regulator with 3-arm polished steel carriage, monometallic balance, self-compensating Breguet balance spring. Dial, case and movement signed. Dim. 35 x 40 mm. Thickness 11 mm. From The Arman Collection