Important Collectors Watches, Pocket ...

New York, Dec 11, 2008

LOT 444

Tourbillon - Power Reserve Breguet, No. 640, Brevet du 7 Messidor, An 9, Ref. 3657. Made circa 2000. Very fine and important, platinum wristwatch with visible one-minute tourbillon regulator, 55 hour power reserve, retrograde 24 hour indicator and a platinum Breguet deployant clasp. Accompanied by the original fitted box.

C. Three-body, solid, polished, transparent case back with signature on the edge, reeded band, rounded bezel, straight lugs, white gold screwed bars, sapphire crystals. D. Guilloché silver with painted radial Roman numerals on a plain eccentric ring dial, aperture for the tourbillon at 6, subsidiary seconds on the tourbillon shaft, power reserve and sector for the retrograde 24 hour indicator. Blued steel Breguet hands. M. No. 1607, Cal. 560.1, hand-engraved, rhodium-plated, 24 jewels, lateral lever escapement with one-minute tourbillon regulator, monometallic balance adjusted to 6 positions, self-compensating Breguet balance spring. Dial, case and movement signed. Diam. 40 mm. Thickness 11 mm.