Dimensions: 
Height: 30.32 in (77 cm)
Width: 29.93 in (76 cm)
Depth: 30.71 in (78 cm)
Seat Height: 16.54 in (42 cm)
The base is in chrome metal and black leather upholstery.
Labeled on the base: Knoll, Knoll International, Handmade in Italy.
Excellent vintage condition.