Vintage Clock Parts Guide

How to Service a Mainspring at Full Length — Safe Handling, Cleaning, and Reinstallation
How to Service a Mainspring at Full Length — Safe Handling, Cleaning, and Reinstallation
Introduction Servicing a mainspring at full length is one of the most effective ways to restore smooth power delivery in a mechanical clock. When the spring is fully extended, every... Read more...
How to Re‑Hole a Mainspring Safely — Techniques for Creating a New Outer Hook
How to Re‑Hole a Mainspring Safely — Techniques for Creating a New Outer Hook
Introduction When the outer hole of a mainspring tears or breaks away, the spring can no longer anchor to the barrel or loop-end post. Re-holing the mainspring is a common... Read more...
How a Kitchen Clock Alarm Mechanism Works — Setup, Trip Lever Action, and Strike Behavior
How a Kitchen Clock Alarm Mechanism Works — Setup, Trip Lever Action, and Strike Behavior
Introduction Many American kitchen clocks include a simple but effective mechanical alarm mechanism. Although the alarm is independent from the timekeeping train, both systems share the same movement plates and... Read more...
Tips for Servicing a Two‑Weight Gustav Becker Movement — Setup, Power, and Strike Behavior
Tips for Servicing a Two‑Weight Gustav Becker Movement — Setup, Power, and Strike Behavior
Introduction Two-weight Gustav Becker movements are known for their smooth running, reliable strike system, and high-quality German construction. These movements are straightforward once understood, but they have several unique characteristics... Read more...
How to Repair a Quartz Clock Movement When Replacement Isn’t Possible
How to Repair a Quartz Clock Movement When Replacement Isn’t Possible
Introduction Quartz clock movements are inexpensive and usually replaced rather than repaired. But when a clock has sentimental value or uses a specialized movement that cannot be sourced, repair becomes... Read more...
How to Repair a Damaged Mainspring Barrel Hook — Methods, Materials, and Best Practices
How to Repair a Damaged Mainspring Barrel Hook — Methods, Materials, and Best Practices
Introduction A damaged or broken mainspring barrel hook is a common repair challenge in antique clocks. When the hook fails, the mainspring cannot anchor properly, leading to slipping, incomplete winding,... Read more...
What Makes a Mechanical Clock Run Slow? — Causes, Diagnosis, and Easy Corrections
What Makes a Mechanical Clock Run Slow? — Causes, Diagnosis, and Easy Corrections
Introduction When a mechanical clock runs slow, the cause is almost always related to pendulum length, friction, or power loss. Even small changes in lubrication, wear, or setup can slow... Read more...
How a Cuckoo Clock Works — Movement Layout, Bellows, and Cuckoo Bird Action
How a Cuckoo Clock Works — Movement Layout, Bellows, and Cuckoo Bird Action
Introduction Birdcage cuckoo clocks use an exposed frame-style movement where the plates resemble a wire cage. These early cuckoo clocks are simple, reliable, and easy to understand once the basic... Read more...
Grand Sonnerie Movement Explained — How the Strike, Chime, and Warning System Works
Grand Sonnerie Movement Explained — How the Strike, Chime, and Warning System Works
Introduction A Grand Sonnerie movement is one of the most complex mechanical clock mechanisms ever produced. Unlike a simple hour strike or Westminster chime, a Grand Sonnerie strikes both the... Read more...
How to Use a KWM Reamer Correctly — Clean, Accurate Bushing Work for Clock Movements
How to Use a KWM Reamer Correctly — Clean, Accurate Bushing Work for Clock Movements
Introduction Accurate bushing work is essential for restoring power and reliability in mechanical clocks. A KWM reamer is one of the most widely used tools for resizing pivot holes before... Read more...
Taming the Sessions 8‑Day Two‑Train Movement — Setup, Power, and Strike/Chime Behavior
Taming the Sessions 8‑Day Two‑Train Movement — Setup, Power, and Strike/Chime Behavior
Introduction The Sessions 8-day two-train chime movement is known for its unusual design and its reputation for being challenging to service. Unlike typical three-train Westminster clocks, this movement combines chime... Read more...
Ansonia 8‑Day Count Wheel Strike Setup — How to Align and Regulate the Strike Train Correctly
Ansonia 8‑Day Count Wheel Strike Setup — How to Align and Regulate the Strike Train Correctly
Introduction Ansonia 8-day clocks use a count wheel strike system that depends on precise alignment of the stop pin, count wheel slots, and lever positions. If any component is out... Read more...