A. Lange & Söhne. An Extremely Rare, Fine and Large Stainless Steel Wristwatch with Oversized Date and Power Reserve Signed A. Lange & Söhne, Glashütte I/SA, Doppelfederhaus, Lange 1 Model, Ref. 101.026, Movement No. 7819, Case No. 117'956, Circa 1998 Cal. L901.0 mechanical jewelled lever movement, hand-engraved balance bridge, black dial, applied Roman and diamond-shaped numerals, large double aperture for date, fan-form sector for power reserve, eccentric subsidiary dial for constant seconds, large circular case, date change corrector in the band, sapphire crystal display back secured by six screws, stainless steel A. Lange & Söhne buckle, case, dial, and movement signed 38.5mm diam.