Antique clock value estimator
Photograph the clock, its dial and the movement inside if you can reach it. The estimator suggests type, maker and era, checks originality, and estimates a selling range.
Example estimate
Polaroid SX-70 Land Camera
$190
Usually sells for $120 – $320
Your result appears here.
How to photograph it
Good photos are the biggest single improvement to an estimate. These are the shots that matter most.
- Photograph the whole clock straight on.
- Close-up the dial for a maker's name.
- Open the back and photograph the movement and any stamps.
- Say whether it runs and strikes, and include the height.
What decides the price
- Type
- Tall case, bracket, carriage, wall regulator and mantel clocks each have different markets.
- Maker
- Known makers and signed movements sell for more than mass-produced clocks.
- Originality
- Original dials, hands, movements and finishes matter. Replaced movements lower value.
- Working order
- A clock that runs and strikes sells for more; repairs can be costly.
What this market actually looks like
Clocks have suffered the same decline as the rest of the traditional antiques market, and in some ways more sharply, because they demand active ownership. A mechanical clock needs winding, levelling, periodic servicing and a wall or shelf that can take it, and fewer households want that commitment. Ordinary Victorian and Edwardian mantel clocks sell for very modest sums as a result.
The exceptions are specific and well known to the trade: good longcase clocks by named makers, early bracket clocks, French carriage clocks with complications, Vienna regulators of quality, and anything with an unusual or precision movement. In those cases the maker's name on the dial or the backplate carries most of the value, and the case is secondary.
The movement is what is being bought, which is the opposite of how most owners present their clock. A fine movement in a damaged case is a repairable proposition; a beautiful case with a replaced or wrecked movement is a piece of furniture with hands on it. Collectors look at the backplate before they look at the front.
Originality of the pairing matters too, because clocks have been assembled and reassembled for two centuries. A movement and case that began life together are worth considerably more than a married clock put together later from parts of two, and signs of a marriage — fresh screw holes, a dial that does not quite fit its aperture, a seatboard cut down — are exactly what a specialist checks first.
How condition is judged here
- Read the backplate and the dial
- Maker's names, serial numbers and city marks appear on the movement's backplate and sometimes on the dial. The backplate is the more reliable of the two, because dials were replaced.
- Completeness of the movement
- Pendulum, weights, key, crutch and the correct hands are all part of a working clock. Missing elements are not trivial: correct replacements are often harder to find than the clock is worth.
- Signs of a marriage
- Unused screw holes, a seatboard that has been cut, a dial with filled fixings or a hood that does not sit true all suggest movement and case came together later.
- Running versus serviced
- A clock that ticks on a table may still be running on dried oil and worn pivots. A documented service from a horologist is worth real money and is worth stating.
What costs people money
Most of the value lost in this category is lost before the item is listed, by the owner, with good intentions. These are the four that come up most often.
- Oiling it yourself
- The wrong oil, or oil in the wrong places, accelerates wear and spreads dirt through the train. It is the commonest cause of damage to otherwise sound movements.
- Transporting with the pendulum attached
- A swinging pendulum in transit bends the suspension spring and can damage the escapement. It should always be removed and packed separately.
- Polishing brass dials and bezels
- Original lacquer and silvering come off with metal polish, and the bright finish underneath is worth less than the aged original to every informed buyer.
- Valuing the case instead of the clock
- An impressive case with an indifferent movement is a common combination and it is the movement that sets the price.
When to bring in a professional
A horologist or a specialist auction department is worth consulting whenever a maker's name appears on the backplate, whenever the clock is a longcase or bracket clock of any age, and before any servicing is commissioned. Get the service quote and the post-service estimate together, because on common clocks a full overhaul costs several times the finished value. For ordinary mantel clocks, a local saleroom is the realistic venue and a formal valuation is money spent to learn that.
Common questions
Where is the maker's name on a clock?
Check the dial, the back plate of the movement and paper labels inside the case.
Are grandfather clocks valuable?
Some are, but many tall-case clocks sell for less than expected because they are large and costly to move.
Should I get it running before selling?
Only if the repair cost is clearly lower than the value it adds. Ask a clockmaker for a quote first.