A. LANGE & SÖHNE LANGE DOUBLE CHRONOGRAPH SYSTEM PINK GOLD
A. Lange & Söhne, Glashütte B/Dresden, No. 42623. Made in 1905.
Extremely rare, large and heavy, 18K pink gold, keyless, hunting-cased pocket watch with
1st Quality movement with Lage's Guillaume-type balance, Lange double-chronograph
system with single push-piece for all four functions via one column wheel.
Four-body, bassine, massive, solid, polished, chronograph button at 6 governing all four
functions. Hinged gold cuvette.
White enamel with Arabic numerals, outer minute divisions concentric with fifths of
a second chronograph divisions, outermost red Arabic five-second numerals, subsidiary
seconds and 30-minute register. Louis XV gold hour and minute hands, blued steel chronograph
hands.
19''', matte gilt, 1st Quality, 21 jewels in screwed gold chatons, straight-line lever
escapement with gold fork and escape wheel, Lange bimetallic compensation balance cut
in the manner of Guillaume, gold temperature adjustment screws, blued steel Breguet
balance spring with terminal curve, foliate engraved cock, diamond endstone,
swan-neck micrometer regulator, visible mechanism for the four-function
chronograph.