Important Modern & Vintage Timepieces

Hong Kong, Jun 27, 2015

LOT 702

LANGE REF. 403.031 FLYBACK DATOGRAPH PINK GOLD A. Lange & Söhne, Glashütte i. Sa., "Datograph Flyback," No. 38245, case No. 152042, Ref. 403.031. Made circa 2003.. Very fine, 18K pink gold wristwatch with square button fly-back chronograph, register, tachometer, oversized date and an 18K pink gold A. Lange & Söhne deployant clasp.

Three-body, solid, polished, rounded bezel, transparent case back with 6 screws, push button at 10 for the date correction, sapphire crystals. Bicolor black and silver, made from solid sterling silver, applied pink gold radial Roman numerals and faceted indexes, subsidiary dials for the seconds and 30-minute registers, outer 1/5th seconds track with 5-minute/ seconds Arabic markers and tachometer graduation, at 12 double aperture for the oversized date. Luminous pink gold alpha hands. 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.