Blog


How Do You Repair and Maintain Waterbury Clock Movements?
1. What Is a Waterbury Clock Movement?
A Waterbury clock movement is the internal mechanism that drives the hands, chimes, and overall function of a clock manufactured by the Waterbury Clock Company. These movements were produced in the 19th and early 20th centuries, and they remain highly collectible because of their quality brass construction and historical significance.
Understanding how a movement works is essential if you are restoring or repairing one. The movement is the “engine” of the clock—it controls the timekeeping accuracy, the striking or chiming sounds, and the motion of the hands.
2. Why Are Waterbury Movements Considered Unique?
Collectors and restorers value Waterbury movements for their craftsmanship and reliability. Unlike mass-produced modern parts, these vintage pieces were often handmade or carefully machined. Many feature intricate gears, levers, and escapements that highlight the artistry of 19th-century American clock making.
Because of this, they are not always interchangeable with other brands. When you are repairing or replacing a Waterbury movement, you need to pay close attention to the exact model and configuration.
3. How Can You Identify a Waterbury Movement?
Waterbury movements typically have the company’s name or logo stamped on the brass back plate. You might also find patent dates or model numbers. Other identifying factors include:
-
Gear design: Waterbury often used specific tooth counts that differed from Seth Thomas or Ansonia.
-
Pendulum length markings: Many models were stamped with the required pendulum length.
-
Striking system: Some Waterbury clocks used a count wheel strike system that sets them apart.
If you are not sure what you are looking at, take clear photos of both sides of the movement before disassembly. Those details can help you identify the correct parts later.
4. What Are the Common Problems With Waterbury Movements?
Over time, even the best movements wear down. The most common issues include:
-
Worn pivot holes that allow gears to shift out of alignment
-
Broken or missing mainsprings that prevent the clock from running
-
Gummed-up oil or dirt that slows down the escapement
-
Bent levers or hammers that affect striking or chiming
Since many of these clocks are over a century old, it is rare to find one in perfect running order without some level of service.
5. What Should You Do If Your Waterbury Movement Needs Attention?
If your Waterbury movement stops working or runs inconsistently, you have options. Many clock owners attempt minor fixes themselves—such as cleaning dirt from the gears or oiling pivots. However, because of the value and fragility of antique movements, most repairs should be handled with proper tools and knowledge.
That is where Clockworks, Inc. can help. We not only supply hardware, mainsprings, and specialized tools, but we also offer professional cleaning and repair services. If you are not comfortable restoring a movement on your own, sending it to experts ensures it will be handled with care and returned to you in reliable working condition.
6. Can You Replace a Waterbury Movement With a Modern One?
Sometimes a movement is too worn to be repaired affordably. In those cases, clock owners ask whether it makes sense to replace the movement with a modern equivalent. The challenge is that Waterbury designs were unique, and very few direct replacements exist today.
If originality matters—such as for antique value or family heritage—repairing the original movement is almost always the best option. If functionality is your priority, some collectors retrofit their cases with similar-sized Hermle or other German movements. However, this should be considered carefully, because it alters the clock’s authenticity.
7. How Can You Keep a Restored Waterbury Clock Running Well?
Preventive care is key. Here are a few best practices:
-
Oil the movement every 2–3 years with proper clock oil.
-
Avoid over-winding—stop when resistance builds.
-
Keep the clock in a stable environment, away from extreme heat, cold, or humidity.
-
Dust the case regularly but avoid spraying cleaners inside.
-
Schedule a full cleaning every 5 years.
With regular care, even a 120-year-old Waterbury clock can keep ticking for generations.
8. Where Can You Get More Help With Waterbury Movements?
Whether you need a mainspring, advice on identifying your model, or complete restoration services, expert help is available. At Clockworks, Inc., we specialize in antique clock parts and repairs, and we’ve been trusted by hobbyists, collectors, and professional horologists around the world.
If you’d like assistance with your Waterbury clock, visit clockworks.com or reach out by email at [email protected].
I have a serh thomas movement madr by waterbury. Model 702 bb a 24 hr movement . Can I get parts for it
We would have to make the parts or find a used junker for this one
James Stoudenmire
40yr Clockmaker
Author of Clockworks.com