Vintage Clock Parts Guide

How to Clean and Oil a Platform Escapement Balance Jewel — Safe Handling, Correct Lubrication, and Inspection Steps
How to Clean and Oil a Platform Escapement Balance Jewel — Safe Handling, Correct Lubrication, and Inspection Steps
Introduction Platform escapements are compact, delicate mechanisms used in carriage clocks and other precision timepieces. Their balance jewels require careful cleaning and correct lubrication to maintain amplitude and timing stability.... Read more...
Fixing a Click Spring Problem — Safe Power Control, Click Alignment, and Strike/Time Train Reliability
Fixing a Click Spring Problem — Safe Power Control, Click Alignment, and Strike/Time Train Reliability
Introduction A faulty click spring can cause dangerous backspin, failed winding, or inconsistent power delivery in a mechanical clock. Whether the click won’t engage, slips under load, or fails to... Read more...
Mainspring Advice for an E.N. Welch Movement — Power Delivery, Barrel Inspection, and Safe Spring Handling
Mainspring Advice for an E.N. Welch Movement — Power Delivery, Barrel Inspection, and Safe Spring Handling
Introduction E.N. Welch 8‑day movements rely on strong, clean, properly lubricated mainsprings to deliver consistent power. When a clock runs weakly, stops early, or shows erratic pendulum motion, the mainspring... Read more...
Regulating a Schatz 39 Royal Mariner Ship’s Bell Clock — Balance Adjustment, Power Delivery, and Timing Stability
Regulating a Schatz 39 Royal Mariner Ship’s Bell Clock — Balance Adjustment, Power Delivery, and Timing Stability
Introduction The Schatz 39 Royal Mariner ship’s bell clock uses a balance-wheel escapement that can be extremely sensitive to regulation errors, lubrication issues, or power loss. After cleaning and reassembly,... Read more...
Servicing a 1930s Kienzle Gong‑Strike Mantel Clock — Strike Timing, Gong Hammer Setup, and Movement Behavior
Servicing a 1930s Kienzle Gong‑Strike Mantel Clock — Strike Timing, Gong Hammer Setup, and Movement Behavior
Introduction Kienzle mantel clocks from the 1930s are well‑built German movements known for their smooth strike action and rich gong tone. When the strike becomes weak, mistimed, or fails to... Read more...
Broken Gear in a Regula 25 Cuckoo Movement — Diagnosing Damage, Replacing Wheels, and Restoring Strike Timing
Broken Gear in a Regula 25 Cuckoo Movement — Diagnosing Damage, Replacing Wheels, and Restoring Strike Timing
Introduction A broken gear in a Regula 25 cuckoo movement can stop the strike train, prevent the bird from emerging, or cause the bellows to lift unevenly. These movements are... Read more...
How to Replace a Mainspring in a Chelsea Clock — Safe Barrel Opening, Spring Handling, and Reassembly
How to Replace a Mainspring in a Chelsea Clock — Safe Barrel Opening, Spring Handling, and Reassembly
Introduction Chelsea clock mainsprings are housed in tightly fitted barrels that can be difficult to open without the right technique. Replacing the mainspring requires careful handling to avoid damaging the... Read more...
Fixing Count‑Wheel Strike Problems — Locking, Warning, Lift Timing, and Train Alignment
Fixing Count‑Wheel Strike Problems — Locking, Warning, Lift Timing, and Train Alignment
Introduction Count-wheel strike systems are simple and reliable when properly adjusted, but even small alignment errors can cause the strike to run on, stop early, or fail to lock. Most... Read more...
Servicing a Bulova D‑Cell Westminster Chime Clock — Power Flow, Speaker Output, and Movement Behavior
Servicing a Bulova D‑Cell Westminster Chime Clock — Power Flow, Speaker Output, and Movement Behavior
Introduction Bulova D-cell Westminster chime clocks use a high-torque quartz system designed to drive larger hands and power a full Westminster chime module. When the clock stops chiming, loses volume,... Read more...
Fixing a Slipping Hour Hand on a Kienzle Clock — Motion‑Works Friction, Hand Bushing Fit, and Strike‑Release Alignment
Fixing a Slipping Hour Hand on a Kienzle Clock — Motion‑Works Friction, Hand Bushing Fit, and Strike‑Release Alignment
Introduction When the hour hand on a Kienzle clock slips, drifts, or fails to keep pace with the minute hand, the issue is almost always in the motion works. These... Read more...
Why a Strike Fly Spins on Its Shaft — Diagnosing Power Loss, Loose Friction Fits, and Strike‑Train Behavior
Why a Strike Fly Spins on Its Shaft — Diagnosing Power Loss, Loose Friction Fits, and Strike‑Train Behavior
Introduction When the strike fly spins freely on its arbor instead of controlling the speed of the strike train, the result is weak, erratic, or completely silent striking. This issue... Read more...
First‑Time Bushing Work on a Clock Movement — How to Diagnose Wear, Center a Pivot, and Install a Clean, Accurate Bushing
First‑Time Bushing Work on a Clock Movement — How to Diagnose Wear, Center a Pivot, and Install a Clean, Accurate Bushing
Introduction Worn pivot holes are one of the most common causes of power loss in mechanical clocks. When a pivot hole becomes oval or enlarged, the arbor leans, the gears... Read more...