The game didn't start well for the hosts when in the sixth minute Rolf Wüthrich scored with a long-range shot taking advantage of a bad throw by Escuti.
Soon afterwards Leonel Sánchez responded to a series of kicks from Mario David by knocking him down with a punch in front of the linesman.
Italians held out in the second half until Jaime Ramírez headed the ball into the net over two defenders after Sánchez's shot was punched away by Carlo Mattrel.
Linesmen: Leo Goldstein (Israel) Fernando Buergo Elcuaz (Mexico) Switzerland were left with just 10 men early in the game when Norbert Eschmann suffered an ankle injury after a sliding tackle by Horst Szymaniak.
Fourteen minutes into the second half Uwe Seeler got a long pass from Hans Schäfer and beat the Swiss goalkeeper for the second time.