The Silver Bell Tower (originally known as the Wikaryjska or Priest Tower) dates from the early 12th century and is the oldest of the Wawel's many towers. However, the tower has many later additions and only the 12-metre-high rectangular base can be dated as belonging to the 11th-century Hermanowska Cathedral. The belfry was constructed in the final quarter of the 14th century and the spire in 1769. The tower contains three bells; the largest was made in 1423, the next largest around 1271 and the smallest in 1669. In the foundations of the tower is a burial vault containing the remains of notable Poles from all periods of history. Other notables are also buried at the nearby Skałka Church.