A. LANGE & SÖHNE REF. 701.001 TOURBILLON YELLOW GOLD
A. Lange & Söhne, Glashütte I/SA., Tourbillon Pour le Mérite, movement No. 340, No. 58/150,
case No. 110308, Ref. 701.001. Made in a limited edition of 150 pieces in 1996.
Extremely fine and very rare, 18K yellow gold wristwatch with visible one-minute tourbillon
regulator, 36-hour power reserve indication and an 18K yellow gold A. Lange & Söhne buckle.
Accompanied by an A. Lange & Sohne proof of origin and Lange box.
Three-body, solid, polished and brushed, curved straight lugs, transparent case back with 6
screws, sapphire crystals.
Matte silver with painted Arabic numerals, outer minute track, subsidiary dials for the
seconds at 9 and the power reserve indication at 3, aperture with polished steel bridge to view
the tourbillon cage at 6. Blued steel alpha hands.
Cal. L 902.0, Glashütte 3/4 plate, fausses cotes and oeil-de-perdrix decoration, 29 jewels
including 5 in screwmounted gold chatons, power equalization with chain and fusée maintaining
power and stepped planetary gearing, tourbillon cage bearing 2 diamond end stones,
lateral lever escapement with one-minute tourbillon regulator with equidistant polished steel
three-arm carriage, Glucydur balance with screws adjusted to 5 positions, shock absorber,
self-compensating Breguet balance spring, hand engraved balance bridge.