A. Lange & Söhne. A very fine and rare 18K gold limited edition twin barrel wristwatch with oversized date, power reserve and gold dialSigned A. Lange & Söhne, Glashütte i/SA, Lange 1A model, No. 52/100, movement no. 7'452, case no. 117'452, manufactured in 1998Cal. L901.1 three quarter plate nickel-finished twin barrel lever movement, 53 jewels, screwed gold chatons, gold lever and gold escape wheel, finely hand-engraved gold pallet, escape wheel and balance bridges, swan neck regulator, engine-turned solid 18K gold dial, small eccentric hour dial, lozenge-shaped and applied gold Roman numerals, large double window for date, eccentric fan-shaped sector for power reserve, eccentric subsidiary seconds dial, large circular case, date change button in the band, downturned lugs, glazed back secured by six screws, 18K gold A. Lange & Söhne buckle, case, dial and movement signed38 mm. diam.