Important Collectors' Wristwatches, P...

New York, Dec 09, 2009

LOT 64

Flyback Datograph A. Lange & Söhne, Glashütte i. Sa., "Datograph Flyback," No. 44427, case No. 157509, Ref. 403.032. Made circa 2005. Very fine, 18K pink gold wristwatch with square button fly-back chronograph, register, tachometer, oversized date and an 18K pink gold A. Lange & Söhne buckle. Accompanied by a fitted box.

C. Three-body, solid, polished, rounded bezel, transparent case back with 6 screws, push button at 10 for the date correction, sapphire crystals. D. Bicolor black and silver, made from solid silver, applied pink gold radial Roman numerals and faceted indexes, subsidiary gray dials for the seconds and 30-minute registers, outer 1/5th seconds track with 5-minute/seconds Arabic markers and tachometer graduation, below 12 double aperture for the oversized date. Luminous pink gold alpha hands. M. Cal. L 951.1, Glashütte 3/4 plate, maillechort, fausses cotes decoration, 40 jewels including 4 in screw-mounted gold chatons, straight-line lever escapement, monometallic balance adjusted to 5 positions, shock absorber, self-compensating Breguet balance spring, swan neck micrometer regulator, hand-engraved balance bridge. Dial, case and movement signed. Diam. 39 mm. Thickness 13 mm.