- Muzeum Gdańska
- 31.23 m metre(s)
- Poland (Gdańsk)
The largest pendulum-regulated clock measures 31.23 metres, and was achieved by Muzeum Gdańska (Poland), as verified in Gdańsk, Poland, on 18 August 2023.
The clock was put into operation in 2016 and placed within the tower of St. Catherine's Church in Gdańsk with a lens that also weighs around 300 kg (661.38 lbs)