A GOLD CIRCULAR WRISTWATCH, A. Lange & Söhne, Glashütte, '1815', CIRCA 1998

18k, three-quarter plate nickel lever movement decorated with Glashutte ribbing and engraved balance cock, 21 jewels including 5 jewels set in screwed chatons, mono-metallic compensation balance, swan-neck micrometer regulation, adjusted to 5 positions, silvered matte dial with Arabic numerals, blued steel sword hands, outer minute track, subsidiary seconds, polished circular case with down-turned lugs, water-resistant type sapphire crystal display case back secured by 6 screws, case, dial and movement signed, with an 18k yellow gold A. Lange & Sohne buckle.