Importantes Montres de Collection

Geneva, May 15, 2011

LOT 279

Lange & Sohne Pink Gold 1815 Medical Chronograph A. Lange & Söhne, Glashütte i. SA., "1815 Chronograph?, movement No. 43316, case No. 153308, Ref. 401.031. Sold on December 14th, 2004. Very fine and rare, 18K pink gold wristwatch with square button flyback chronograph, register, pulsometer and an 18K pink gold A. Lange & Söhne buckle. Accompanied by fitted box, warranty and booklet.

C. Three-body, solid, polished, rounded bezel, transparent case back with 6 screws, sapphire crystals. D. Black, made from solid silver with painted white Arabic numerals, subsidiary silver dials for the 60-second and instantaneous 30-minute registers, outer 1/5th second/ minute track, outermost pulsometer graduation. Pink gold alpha hands. M. Cal. L 951.0, Glashütte 3/4 plate, maillechort, fausses cotes decoration, 34 jewels including 4 in screw-mounted gold châtons, straight line lever escapement, monometallic balance adjusted to 5 positions, shock-absorber, selfcompensating Breguet balance spring, swan-neck micrometer regulator, hand-engraved balance bridge. Dial, case and movement signed. Diam. 39 mm. Thickness 11.5 mm.