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
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.