 Its height is announced by a plaque embedded in the wall at the base of the Torrazzo itself, stating 250 arms and 2 ounces, which in the ancient measuring system of the Lombard towns translates to approximately 111 metres.The seven bells are tuned in the scale of A major, and date back to the 18th century.Archaeological excavations made in the 1980s have discovered the presence of underlying structures which are supposed to be the remains of a more ancient churchyard (or a cemetery associated to it), or even previous Roman buildings.