Model equipped with manually liftable headrests, with the exception of electric recliner versions and electric headrest versions. Electric recliner versions equipped with electrically liftable headrests and electric reclining mechanism, That can be operated by a control panel positioned along the seat sides. Electric headrest versions equipped with electrically liftable headrests, operated by a control panel positioned along the seat sides. The depth of the model with open recliner is 156 cm. Versions 778/779 are equipped with motion mechanisms with seat cushions and headrests that can be electrically adjusted through a pushbutton positioned along the seat sides. The depth of the seats with sliding system positioned outward is 181 cm, the height of the model with lifted headrests is 97 cm.