A. Lange & Söhne luminous Lange 1 A. Lange & Söhne, Glashütte i. SA, “Luminous Lange 1,” No. 37200, case No. 149865, Ref. 101.029. Made in 2003, sold March 1st, 2004. Very fine, water-resistant, 18K white gold wristwatch with off-center hour dial, oversized date, power reserve indication and an 18K white gold A. Lange & Söhne buckle. Accompanied by the original fitted box, certificate, guarantee card and instruction manual. Three-body, solid, polished and brushed, transparent case back with 6 screws, curved straight lugs, push button at 10 for the date correction, sapphire crystals. Solid silver, black with off-center hour dial with luminous radial Roman numerals and indexes, subsidiary seconds dial at 5, sector for the up-and-down indication at 3, oversized double aperture for the date at 1. Luminous white alpha hands. Cal. L 901.1, maillechort, 53 jewels including 9 in screwmounted gold chatons, straight-line lever escapement, monometallic balance adjusted to 5 positions, shock absorber, self-compensating flat balance spring, swan-neck micrometer regulator, hand-engraved balance bridge. Dial, case and movement signed. Diam. 38 mm. Thickness 10 mm.