Important Collectors' Wristwatches, P...

New York, Mar 10, 2010

LOT 215

A. Lange & Söhne Platinum Flyback Datograph A. Lange & Söhne, Glashütte i. Sa., "Datograph," Flyback, No. 38017, case No. 148035, Ref. 403.035. Made circa 2006. Very fine and rare, platinum wristwatch with square button fly-back chronograph, register, tachometer, oversized date and a platinum A. Lange & Söhne deployant clasp. Accompanied by the original fitted box, guarantee, spare strap and extra platinum buckle.

C. Three-body, solid, polished and brushed, rounded bezel, transparent case back with 6 screws, push-button at 10 for the date correction, sapphire crystals. D. Black, made from solid silver, applied white gold radial Roman numerals, baton indexes and luminous dots, subsidiary silver dials for the seconds and instantaneous 30-minute register, outer tachometer graduation and 1/5th seconds track with 5-minute/seconds Arabic markers, aperture for the oversized date at 12. Luminous white gold alpha hands. M. Cal. L 951.1, Glashütte 3/4 plate in German silver, 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, hack mechanism, hand-engraved balance bridge. Dial, case and movement signed. Diam. 38 mm. Thickness 13 mm.