Zimmertoren, Medieval fortified clock tower in Lier, Belgium.
The Zimmer Tower rises 20 meters above Lier's center, displaying thirteen intricate clock faces that indicate different astronomical measurements and time calculations.
Built before 1425 as part of Lier's defensive walls, the tower received its astronomical clock system in 1930 from Louis Zimmer to mark Belgium's independence centennial.
The tower exhibits mechanical figures that emerge every hour, while at noon additional automatons present a procession of Belgian historical figures from the past century.
Visitors can explore three levels of the tower, including the astronomical studio on the first floor and the central mechanism room on the second floor.
The tower contains the slowest moving clock hand mechanism in existence, completing one full rotation every 25,800 years to track Earth's axial precession.
Location: Lier
Inception: 1425
Height: 20.31 m
Part of: Lier city walls
Website: https://zimmertoren.be
GPS coordinates: 51.12917,4.56972
Latest update: May 27, 2025 17:31
Clock towers represent different periods of architectural history. These monumental structures stand in city centers, university grounds, and historical squares. The towers combine technical precision with architectural design and serve as landmarks in their cities.
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