Lucerne's oldest city clock, built by Hans Luter in 1535, is in the Zyt tower, one of three remaining on the medieval walls. In autumn, brightly colored leaves frame a painting of giants carrying the face of the time-honored clock on the tower's façade. The clock is allowed to chime every hour one minute before all the other city clocks.
Inside, a clock museum tells the stories of several timepieces collected from around Lucerne by the watchmaker who wound the Zyt Tower clock daily for fifty years.
The ramparts provide a fine view of the city below, and lake and mountains beyond. The tower is open spring to all, and admission is free.