Vintage Clock Parts Guide

Understanding an 8‑Day Cuckoo Clock Movement — Lift Wires, Strike Timing, and Common Setup Issues
Understanding an 8‑Day Cuckoo Clock Movement — Lift Wires, Strike Timing, and Common Setup Issues
Introduction Eight-day cuckoo clock movements are robust and reliable when properly set up, but issues with lift wires, strike timing, or pendulum alignment can cause weak calls, stalled strike trains,... Read more...
Fixing a Loose or Slipping Clutch on a New Haven Clock — Motion‑Works Diagnosis and Hand‑Setting Repair
Fixing a Loose or Slipping Clutch on a New Haven Clock — Motion‑Works Diagnosis and Hand‑Setting Repair
Introduction When the hands on a New Haven clock fail to move—or move only when pushed—the issue is almost always a slipping clutch in the motion works. This clutch provides... Read more...
Why a Bulova Quartz Clock Won’t Chime — Power Issues, Speaker Problems, and Movement Diagnostics
Why a Bulova Quartz Clock Won’t Chime — Power Issues, Speaker Problems, and Movement Diagnostics
Introduction Bulova quartz clocks with chime functions rely on a combination of electronic timing, speaker output, and pendulum or decorative motion systems. When the chime stops working, the cause is... Read more...
What to Use (and Not Use) When Lubricating Clock Mainsprings — Safe Application, Power Control, and Movement Testing
What to Use (and Not Use) When Lubricating Clock Mainsprings — Safe Application, Power Control, and Movement Testing
Introduction Mainspring lubrication is one of the most misunderstood areas of clock servicing. Using the wrong lubricant—or applying it incorrectly—can cause sticking, surging, or complete power loss. This guide explains... Read more...
How to Clean and Restore a Single‑Fusee Bracket Clock — Safe Disassembly, Chain Handling, and Movement Prep
How to Clean and Restore a Single‑Fusee Bracket Clock — Safe Disassembly, Chain Handling, and Movement Prep
Introduction Single-fusee bracket clocks are beautifully engineered and highly reliable when properly maintained. Their chain-driven power system, compact movement layout, and delicate escapement require careful handling during cleaning and restoration.... Read more...
Servicing an Ansonia Crystal Regulator With Brocot Escapement — Pendulum Setup, Door Alignment, and Movement Behavior
Servicing an Ansonia Crystal Regulator With Brocot Escapement — Pendulum Setup, Door Alignment, and Movement Behavior
Introduction Ansonia crystal regulators are elegant clocks known for their exposed movements, curved glass doors, and Brocot escapements. When these clocks stop running or behave inconsistently, the cause is often... Read more...
How to Disassemble a Hamburg American Clock Movement Safely — Plate Separation, Power Control, and Train Protection
How to Disassemble a Hamburg American Clock Movement Safely — Plate Separation, Power Control, and Train Protection
Introduction Hamburg American clock movements are well-built but can be challenging to disassemble due to tight plate spacing, strong mainsprings, and delicate train alignment. When the plates refuse to separate... Read more...
How to Refurbish a Weight‑Driven Seth Thomas Clock — Movement Prep, Weight Cabling, and Pendulum Setup
How to Refurbish a Weight‑Driven Seth Thomas Clock — Movement Prep, Weight Cabling, and Pendulum Setup
Introduction Refurbishing a weight-driven Seth Thomas clock requires careful handling of the movement, weights, and pendulum system. These clocks are durable and well-designed, but improper cabling or setup can damage... Read more...
Why a Minute Hand Turns Freely on a Junghans Clock — Motion‑Works Slippage, Hand Bushing, and Strike‑Release Alignment
Why a Minute Hand Turns Freely on a Junghans Clock — Motion‑Works Slippage, Hand Bushing, and Strike‑Release Alignment
Introduction When the minute hand on a Junghans clock turns freely without resistance, the issue is almost always in the motion works. This includes the friction bushing, minute-hand collet, or... Read more...
How to Reattach a Click Spring to a Clock Wheel — Safe Power Control, Riveting, and Train Protection
How to Reattach a Click Spring to a Clock Wheel — Safe Power Control, Riveting, and Train Protection
Introduction Click springs are essential for safe winding and power retention in both spring-driven and weight-driven clocks. When a click spring breaks loose or must be replaced, it must be... Read more...
Why a Sessions Regulator 5 Won’t Run — Power Loss, Pendulum Setup, and Wheel Train Diagnosis
Why a Sessions Regulator 5 Won’t Run — Power Loss, Pendulum Setup, and Wheel Train Diagnosis
Introduction The Sessions Regulator 5 is a dependable American time-and-strike movement, but age, wear, and setup issues often cause it to stop shortly after starting. This guide explains how to... Read more...
How to Fix a Minute Hand That’s Out of Sync With the Strike — Alignment, Motion Works, and Escapement Checks
How to Fix a Minute Hand That’s Out of Sync With the Strike — Alignment, Motion Works, and Escapement Checks
Introduction When a clock strikes several minutes early or late—such as 7 minutes off—the issue is almost always in the motion works, not the strike train. This guide explains how... Read more...