The Nomos Glashutte NOMOS Tangente NeomatikSport Neomatik 42 Datum Ref. 581 (Ref. 581 (neomatik)) is a Steel-cased luxury mechanical wristwatch. The case measures 42 mm. The dial is Black. Powered by a Automatic movement. It wears on a Steel strap/bracelet. On the secondary market, the NOMOS Tangente NeomatikSport Neomatik 42 Datum Ref. 581 averages $37,434,452 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.