A. Lange & Söhne 101.027

A. Lange & Söhne. A fine and rare 18ct white gold calendar manual wind wristwatch with power reserve, Lange 1, Ref:101.027, Case No.133125, Movement No.19601, Circa 2003 53-jewel Cal.L901.0, three quarter plate movement, straight line lever escapement, monometallic balance, adjusted to heat, cold, isochronism and 5 positions, shock protection, self compensating balance spring, dark blue dial, eccentric hour and minute dial, applied Roman quarter numerals and hour markers, subsidiary dial for running seconds, power reserve indication, double digit date aperture, brushed and polished 18ct white gold case, screwed exhibition case back, fitted leather strap with 18ct white gold A. Lange & Söhne buckle, together with fitted box, certificate and instruction manual, case, dial and movement signed 38mm.