Siemens industrial swivel chair from the 1960s. In original and very good condition. Excellent and armored build quality. Smooth seat height adjustment in the range of 46-62 cm. An early industrial, office, dental or medical Bauhaus style chair from Siemens. A classic of German design. The chair is fully signed. This piece has an attribution mark, I am sure that it is completely authentic and take full responsibility for any authenticity issues arising from misattribution