How to Install a Quartz Movement in an Antique Clock Case

Converting a mechanical clock to a quartz movement can breathe new life into an old clock that no longer works or is too expensive to repair. Whether your antique clock has a worn-out movement or you simply want the convenience of battery-powered timekeeping, knowing how to install a quartz movement in an antique clock case will help you preserve its charm while improving its reliability.

Step 1: Decide If Conversion Is Right for Your Clock

Not every clock is a good candidate for conversion. Before you begin, carefully consider:

Condition of the original movement — If the mechanical movement is missing parts, worn out, or beyond repair, quartz conversion may be a practical option.

Clock value — If the clock has high historical or collector value, preserving the original movement is usually best.

Your goal — Do you want a low-maintenance clock that keeps accurate time, or do you want to preserve the full mechanical experience?

Step 2: Choose the Right Quartz Movement

Select a quartz movement that fits the size and style of your clock. Consider:

• Shaft length and diameter — Measure the thickness of your clock dial and select a movement with the correct shaft length.
• Hand compatibility — Make sure the quartz movement comes with or supports hands that match your clock’s size and style.
• Chime or no chime — Decide if you want a basic time-only quartz movement or one with Westminster or other chimes.

Clockworks offers a variety of quartz movements designed for easy installation in antique cases.

Step 3: Gather the Right Tools

You will need:

• Small screwdrivers (flat and Phillips)
• Pliers
• Caliper or a ruler (for measurements)
• Battery for the quartz movement

Step 4: Remove the Old Mechanical Movement

1. Remove the hands using a hand puller or by gently prying them off.
2. Take out the dial carefully to avoid damaging it.
3. Remove the mechanical movement from the case.
4. Keep all original parts in a labeled bag or box in case you want to reverse the conversion later.

Clean the inside of the case to prepare for the new movement.

Step 5: Prepare the Clock Case

Measure the hole in the clock face:

• If the hole is too small for the quartz movement shaft, carefully enlarge it using a drill or reamer.
• If the hole is slightly too large, you may need a mounting washer or nut to secure the movement tightly.

Check that the back of the case has enough clearance for the movement, battery, and hands.

Step 6: Install the Quartz Movement

1. Insert the quartz movement through the dial hole from the back.
2. Secure it with the provided washer and nut on the front side.
3. Attach the clock hands, starting with the hour hand, then the minute hand, and finally the second hand (if included).
4. Insert the battery and check for smooth hand movement.

Step 7: Preserve the Antique Look

To keep your antique clock looking original:

• Use hands that closely match the original style.
• Hide the battery compartment behind the dial or in the back of the case.
• Avoid drilling visible holes in the case.
• Keep all removed mechanical parts stored safely.

With careful attention, you can enjoy modern timekeeping while preserving the character of your clock.

Step 8: Test and Adjust

1. Hang or place the clock in its final location.
2. Set the time and check that the hands clear each other and the dial.
3. Listen for proper ticking or chime operation if your movement includes sound.
4. Let the clock run for 24 hours to ensure accurate timekeeping.

Step 9: Maintain Your Quartz Clock

Quartz movements require minimal maintenance:

• Replace the battery as needed (usually once a year).
• Dust the case regularly to keep it clean.
• Check the hands occasionally for alignment and tightness.

Common Mistakes to Avoid

Ignoring measurements — Always measure the shaft length and dial thickness before ordering.

Using incompatible hands — Make sure the hands fit the quartz movement’s shaft.

Forcing the fit — Enlarge the hole gently if needed, but avoid cracking the dial.

Discarding mechanical parts — Keep the original movement in case you or a future owner wants to restore it.

Summary

Installing a quartz movement in an antique clock case can transform a non-working piece into a reliable, easy-to-maintain timekeeper. By choosing the right movement, preparing the case carefully, and preserving the antique look, you get the best of both worlds—modern performance and vintage charm. For the right parts, tools, and expert help, visit Clockworks.com or email clockworks@clockworks.com—we’re here to help you bring your clock back to life.

Updated on: 28/09/2025