Looks just about like my touring bike which is an '84 Sequoia. Only differences I see are that the shift levers sit above the downtube - on mine they're level with it, a slightly different model of rear derailleur, and mine is a 60cm frame. AIRC, Suntour used the shift lever arrangement on this one so that moving the shift lever for the rear also made a slight adjustment to the front derailleur so the chain wouldn't rub.
Apparently Grant Peterson of Rivendell once called the '83 Sequoia the best production bike made.