The A. Lange & Söhne A. Lange & Söhne A highly attractive and elegant white gold rectangular-shaped wristwatch with oversized-date, small seconds, guarantee and presentation box (Ref. 107.027), introduced in 1998, is a 18k white gold-cased luxury mechanical wristwatch. The case measures 25. The dial is Navy blue. Powered by a Manual movement. It wears on a Leather strap/bracelet. On the secondary market, the A. Lange & Söhne A highly attractive and elegant white gold rectangular-shaped wristwatch with oversized-date, small seconds, guarantee and presentation box averages $35,886 across 1 active listing. When buying pre-owned, check condition grade, box and papers (typically a 10–20% premium), service history, and originality of dial and hands. Use the listings and price history on this page to benchmark fair market value.