How to Choose the Best Oil for Mechanical Clocks

Oiling a mechanical clock is one of the most important steps in keeping it running smoothly and accurately for years to come. Using the right clock oil can make the difference between a well-maintained movement and one that wears out prematurely. With so many types of oils on the market, many clock owners wonder: what is the best oil to use for mechanical clocks, and why? This guide will walk you through exactly how to choose the right oil, why it matters, and how to apply it properly.

Step 1: Understand Why Clock Oil Matters

Mechanical clocks rely on dozens of tiny gears, pivots, and bushings to keep perfect time. Without lubrication, these moving parts create friction, which leads to metal wear, heat buildup, and eventual failure. Clock oil reduces friction, minimizes wear, and ensures smooth operation over long periods.

Unlike household oils or machine oils, clock oil is specially formulated to withstand very low torque, remain stable over many years, and avoid damaging delicate clock components.

Step 2: Know What Types of Oils to Avoid

Many beginners mistakenly reach for common household lubricants like WD-40, motor oil, or vegetable oil when servicing a clock. These products should never be used on a clock movement. They are either too thick, too acidic, or will dry into a sticky residue over time, causing severe damage to the movement.

Avoid:

• WD-40
• Machine oil
• Motor oil
• Household cooking oils
• 3-in-1 oil

These oils may seem to work at first but will ultimately attract dust, gum up the movement, and cause more harm than good.

Step 3: Choose the Right Clock Oil

Professional-grade clock oils are formulated specifically for the demands of mechanical clocks. Here’s what you should look for:

Synthetic clock oil: Offers excellent temperature stability and longevity. It does not gum up or evaporate like natural oils.

Low viscosity: Allows the oil to flow smoothly across pivots and bushings without adding drag.

Non-gumming formula: Prevents the oil from thickening over time.

Precision applicator: Many clock oils come in bottles with needle-point applicators for easy, mess-free use.

Brands like Moebius, Nye, and Keystone are respected names in the clock repair world. These oils are designed specifically for mechanical clocks and deliver long-lasting performance.

Step 4: Use the Correct Amount of Oil

Using too much oil can attract dust, while using too little won’t protect the movement. The golden rule is to apply only a tiny drop of oil to each pivot or bushing.

Here’s a quick checklist:

• Apply a drop about the size of a pinhead.
• Never flood the movement with oil.
• Only oil the pivots and contact points — avoid oiling the teeth of gears or springs.
• Use a precision oiler or needle applicator for best results.

Step 5: Apply Oil to the Right Spots

To oil a mechanical clock properly:

1. Remove the movement from the case.
2. Clean off old oil and dirt with a clock cleaning solution if necessary.
3. Apply fresh oil to each pivot hole (where the arbor meets the plate) and the escapement.
4. Avoid over-oiling the mainsprings — they typically require special grease, not oil.

Step 6: Follow the Recommended Maintenance Schedule

Mechanical clocks need oiling about every 5 years, depending on their environment. Clocks in dusty or humid conditions may need more frequent attention.

Avoid waiting until the clock stops working to oil it. Regular preventive maintenance will save you from costly repairs later.

Step 7: Use the Right Tools

The best oil won’t do any good if you can’t apply it properly. Invest in:

• Precision oilers with needle tips
• Clock cleaning solutions
• Clock tools

Why High-Quality Clock Oil Is Worth It

High-quality clock oil provides:

• Reduced wear on pivots and bushings
• Smooth, quiet operation
• Longer intervals between services
• Protection from rust and corrosion

Cutting corners by using cheap or inappropriate oils often leads to costly repairs, worn-out movements, and disappointing performance. Investing in the right oil ensures your clock stays reliable and accurate.

Common Myths About Clock Oil

❌ “Any oil will work.”

No — only clock-specific oils should be used.

❌ “More oil is better.”

No — too much oil attracts dirt and speeds up wear.

❌ “Oiling once is enough.”

No — regular maintenance is critical to long-term performance.

Summary

Choosing the best oil for your mechanical clock comes down to selecting a high-quality, synthetic, low-viscosity product designed specifically for clock movements. Never use household or machine oils, and always apply just the right amount to the correct places. With the right oil and tools from Clockworks, you can keep your clock running smoothly for decades.

Visit Clockworks.com or contact us at clockworks@clockworks.com for expert guidance, top-quality clock oils, and all the tools you need for proper clock care.

Updated on: 12/07/2025