A. Lange & Söhne. A very rare and important limited edition 18ct honey gold calendar tourbillon manual wind wristwatch with power reserve
Lange 1 Tourbillon Homage to F.A. Lange, Ref:722.050, Sold in August 2012
49-jewel Cal. L961.2, engraved Glashütte 3/4 plate and balance bridge, 2 diamond end stones in screw-mounted gold chatons, lateral lever escapement with one-minute tourbillon regulator, monometallic balance adjusted to 5 positions, shock absorber, self-compensating Breguet balance spring, twin mainspring barrel for 100 hours power reserve, engine turned silvered dial, eccentric hour and minute dial, applied Roman numeral and rhombus shaped hour markers, polished feuille hands, double aperture for date, power reserve indication, aperture displaying one-minute tourbillon regulator, brushed and polished case with screwed exhibition case back, push button on the band for date adjustment, fitted leather strap with 18ct honey gold A. Lange & Söhne buckle, together with fitted box, certificate, valid warranty until August 2014, instruction manual and swing tag, case, dial and movement signed 38mm.