12 Ancient Clocks That Still Work Today
Several ancient clocks have survived for centuries and continue to keep time accurately. These mechanisms highlight the ingenuity and craftsmanship of early horologists.
- Tricia Quitales
- 4 min read
Ancient clocks reveal how civilizations measured time with precision long before modern technology. Many are still functional due to careful design and maintenance. They showcase a combination of engineering skill and artistic craftsmanship. Studying these clocks provides insight into historical science, culture, and mechanical innovation.
1. 1. Salisbury Cathedral Clock, England

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The Salisbury Cathedral Clock, dating back to 1386, is one of the oldest working mechanical clocks in the world. It was originally installed without a face and struck a bell to mark the hours. The clock’s iron mechanism has been carefully maintained and restored over centuries. The clock reflects both technical skill and religious importance in its era.
2. 2. Wells Cathedral Clock, England

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Built around 1390, the Wells Cathedral Clock still functions with its original medieval mechanism. It features astronomical dials showing the sun, moon, and stars. The clock’s automation includes moving figures, which strike bells on the hour. Regular restoration has preserved its intricate gears and components. It remains a symbol of craftsmanship and medieval innovation.
3. 3. Prague Astronomical Clock, Czech Republic

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Installed in 1410, the Prague Astronomical Clock is famous for its elaborate design. It shows the positions of celestial bodies and includes an hourly show with animated figures. The mechanism has been carefully maintained and repaired over centuries. Tourists and locals alike marvel at its continued precision. The clock combines science, art, and engineering in one remarkable device.
4. 4. Strasbourg Cathedral Clock, France

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Strasbourg’s astronomical clock, completed in 1843, incorporates earlier mechanisms from the 16th century. It tracks solar and lunar movements and includes a perpetual calendar. Moving figures, including apostles, perform a show daily. Extensive restorations ensure that the clock remains accurate. Its combination of artistry and mechanics attracts visitors worldwide.
5. 5. Hampton Court Clock, England

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The Hampton Court Clock, built around 1540, still shows the time accurately. It was installed to help the royal household regulate daily activities. The mechanism has been preserved and maintained meticulously. Original gears and escapements continue to function centuries later. The clock represents the sophistication of Tudor-era engineering.
6. 6. Beauvais Cathedral Clock, France

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Dating from 1860 but using mechanisms from the 14th century, Beauvais Cathedral’s clock continues to operate. It was designed to mark the hours for both the clergy and townspeople. Restoration work has preserved its original moving parts. The clock still keeps time with remarkable accuracy. Its longevity demonstrates the durability of medieval craftsmanship.
7. 7. Lund Cathedral Clock, Sweden

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The Lund Cathedral Clock, built around 1380, remains functional with its medieval components. It features both timekeeping and astronomical functions. Restoration efforts have preserved its mechanical integrity. The clock strikes hours reliably and attracts visitors with its historical charm. Its continued operation showcases Scandinavian engineering skill.
8. 8. Wells Cathedral Quarterjack, England

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The Quarterjack at Wells Cathedral complements the main clock, dating to the 15th century. It uses a smaller mechanism to strike quarter hours with wooden figures. Careful maintenance has kept its wooden gears and levers working. The Quarterjack continues to demonstrate the ingenuity of early horology. It highlights how medieval engineers solved complex mechanical challenges.
9. 9. Rouen Cathedral Clock, France

Claude Monet on wikimedia
The Rouen Cathedral Clock, with origins in the 14th century, still functions accurately. It features an astronomical dial and a bell-striking mechanism. Regular restorations ensure the clock maintains its original precision. Visitors can observe the delicate interplay of gears and levers. Its survival reflects the high level of medieval French engineering.
10. 10. Exeter Cathedral Clock, England

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Exeter Cathedral houses a clock dating from 1484 that is still in operation. It was designed to strike the hours for the cathedral and the surrounding community. Its mechanism has been carefully restored over the centuries. The clock includes both timekeeping and decorative features. Its continued function demonstrates enduring medieval craftsmanship.
11. 11. St. Albans Clock, England

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The St. Albans Clock, originating in 1386, is among the oldest surviving mechanical clocks. It strikes the hours on a bell and features original medieval gearing. Restoration efforts have preserved its working condition. The clock serves as a historic example of early English horology. Its continued operation fascinates historians and visitors alike.
12. 12. Gros Horloge, Rouen, France

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The Gros Horloge, installed in the 14th century, features an astronomical dial and an ornate exterior. The mechanism still drives the clock and bell with original components. Restoration has ensured its continued accuracy and operation. The clock combines aesthetic beauty with precise engineering. It stands as a testament to medieval innovation and artistry.