Important Collectors’ Wristwatches, P...

New York, Dec 05, 2007

LOT 386

1747 - 1997 - Breguet 250th Anniversary Breguet, No.1866H, Ref. 3857PT. Made in a limited edition of 3 pieces in 1997 to commemorate the 250th anniversary of the birth of Abraham Louis Breguet (1747 - 1823). Extremely fine and rare, minute repeating platinum wristwatch with visible one-minute tourbillon regulator, jump-hours, perpetual calendar with retrograde date, leap-year indication and a Breguet platinum buckle. Accompanied by the fitted green laquered winding wooden box and Breguet instructions and original certificate.

C. Three-body, solid, polished, curved bezel, coin-edge band, straight lugs, transparent back, sapphire crystals. D. Guilloche silvered gold, jump-hour aperture with black Arabic numerals on a matte gilt ground, minutes chapter with Arabic numerals and dot markers, concentric fly-back date sector with blued steel triangular pointer, subsidiary dials for days of the week and the months, aperture for the four year cycle indication, seconds track around the tourbillon aperture with dot markers, the seconds hand mounted directly on the top of the upper pivot, secret signature. Blued steel Breguet hand. M. 13 1/2''', Cal. 556 QPRT, rhodium plated, oeil-de-perdrix decoration, 29 jewels, one-minute tourbillon regulator with three equidistant polished steel arms, polished steel bridge, lateral lever escapement, monometallic balance, self-compensating blued steel Breguet balance spring, index regulator, repeating on gongs activated by a slide in the band. Dial, case and movement signed. Diam. 40 mm. Thickness 13 mm. Property of Various Owners