De Sede DS 255 swivel armchair by Thomas Althaus, Switzerland, 2000.

The DS-255 swivel armchair from the Swiss company De Sede, upholstered in black full-grain leather with a handcrafted silver metal base. Designed by Thomas Althaus, it combines premium comfort with contemporary lines. Equipped with a reclining backrest, a retractable footrest with two positions, and a 360° swivel base, it offers unparalleled comfort, reflecting De Sede's high level of craftsmanship. The mechanisms are fully functional. The DS-255 embodies the balance between functionality and contemporary aesthetics, a harmonious blend of tradition and modernity.