The Nomos Glashutte NOMOS Tetra(revisioned & almost new) Special Edition WELTWEISS Tetra 29 Ref. 485 QQII (Ref. 485) is a Steel-cased luxury mechanical wristwatch. The case measures 29 mm. The dial is Silver. Powered by a Manual winding movement. It wears on a Leather strap/bracelet. On the secondary market, the NOMOS Tetra(revisioned & almost new) Special Edition WELTWEISS Tetra 29 Ref. 485 QQII averages $25,953,087 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.