Important Collectors Wristwatches, Po...

Geneva, Nov 14, 2009

LOT 308

Pink Gold Tourbillon Double-Face Daniel Roth, "Tourbillon Double-Face Power Reserve", No. 110. Made circa 1990. Extremely fine and rare, double-ellipse shaped, 18K pink gold double-dialled wristwatch with visible one-minute tourbillon regulator, 42-hour power-reserve indication, date, and an 18K pink gold Daniel Roth buckle. Accompanied by a fitted box, certificate and Bulletin de Marche.

C. Two-body, solid, polished, case band with roll torus, transparent case back, sapphire crystals. D. Front: Anthracite 18K guilloché gold, brushed silver ring dial with painted radial Roman numerals for the hours at 12, 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 fleche hands. Back: Anthracite 18K guilloché gold with applied brushed silver ring dial for the date and a sector dial for the power-reserve 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, index regulator. Dial, case and movement signed. Dim. 35 x 38 mm. Thickness 11 mm.