Swivel armchair 70's

Height-adjustable swivel armchair from the 70s in white imitation leather. Quite heavy metal foot which helps stabilize the chair. Very comfortable seat. Rotates 360 degrees. Can go down or up thanks to the handle underneath. Some signs of wear (see photos) on the armrests and some signs of wear on the black seam. Width 72 cm depth 53 cm total height at the highest 101 cm, and 86 at the lowest. Height of the seat at the lowest 44 cm height of the seat at the highest 58 cm.