A. Lange & Söhne. A Fine and Large Platinum Flyback Chronograph Wristwatch with Oversized Date DisplaySigned A. Lange & Söhne, Glashütte I/SA, Datograph Flyback, Ref. 403.035, Movement No. 17'228, Case No. 127'954, Circa 2000Cal. L951.1 mechanical movement, 40 jewels, finely-hand engraved balance cock, screwed gold chatons, black dial, applied Roman and baton numerals, luminous hands, outer five minute divisions and raised tachometer scale, large double date aperture, two silvered engine-turned subsidiary dials for 30 minute register and constant seconds, large circular case, date change button in the band, two rectangular chronograph buttons in the band, sapphire crystal display back secured by six screws, platinum A. Lange & Söhne deployant clasp, case, dial, and movement signed39mm diam.