The clock tower rising over the Masjid al-Haram in Mecca carries four clock faces roughly 43 metres in diameter, recognized by Guinness World Records as the largest clock faces in the world. The tower itself is also one of the tallest buildings and clock towers ever built.
Record no. MRB-2026-005694
World's Largest Clock Face
Reference Record – Not Certified
This record is compiled from publicly available sources for reference. It has not been examined or certified by The Book of World Records.