Highly adjustable mechanism for the ultimate in chair adjustability asynchro torsion ratchet back forward seat tilt superior stitch detail and a leather design for a luxurious look suitable for 24 hour use soft moulded adjustable arms for great arm support deep cushioned seat and back for extra comfortmeasurementsseat w 530mm x d 555mmback w 515mm x h 645mmseat height 475 565mm