LANGE & SÖHNE REF 712050 TOURBOGRAPH POUR LE MÉRITE HONEY GOLD
A. Lange & Söhne, Glashütte I/SA., "Tourbograph Pour le Mérite - Hommage to F.A. Lange,"
movement No. 40076, No. 13/50, case No. 150113, Ref. 712.050. Made in a limited edition of
50 pieces in 2010 commemorating the brand's 165th anniversary.
Extremely fine and rare, 18K "honey" gold wristwatch with visible one-minute tourbillon
regulator, split second chronograph, registers, 36-hour power reserve and an 18K "honey"
gold A. Lange & Söhne buckle. Accompanied by an original fitted box, certificate, and
instruction booklet.
Three-body, solid, polished and brushed, curved straight lugs, transparent case back
with 6 screws, sapphire crystals.
Solid satiné silver with painted Arabic numerals, sunk center with guilloché finish,
sunk subsidiary dials for the 30-minute registers and the up and down indication, outer
minute track, outer most 1/5th of a second divisions, aperture with polished steel bridge
for viewing the tourbillon. Blued steel Alpha hands.
Cal. L 903.0, fausses cotes decoration, 43 ruby jewels, power equalization with chain
and fusée maintaining power and stepped planetary gearing, tourbillon cage bearing
2 diamond endstones, lateral lever escapement with one-minute tourbillon regulator with
equidistant polished steel three-arm carriage, Glucydur balance with screws adjusted to
5 positions, self-compensating Breguet balance-spring, hand engraved balance bridge.