Free tool
What is your collection worth?
Add each watch with what you paid and what it is worth now. Everything is stored in your own browser and never leaves your device, so nothing is uploaded and no account is needed.
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Why tracking a collection matters more than tracking one watch
Individually, watches feel like separate decisions. Collectively they are a meaningful amount of money, and most collectors are genuinely surprised the first time they add it up. The number matters for two practical reasons: insurance and honesty about what you are actually spending.
Insurance is the concrete one. Home contents policies frequently cap single item value at a figure well below a good watch, and cap total jewellery and watches at another. If your collection has quietly passed those limits you are uninsured for the excess and will only discover it during a claim.
The second reason is more uncomfortable. Tracking spend against current value makes the depreciation visible, which changes buying behaviour more effectively than any advice does.
Getting the values right
Use realistic secondary market figures rather than retail or asking prices. What a dealer is asking is not what you will receive, and the gap between the two is typically twenty to thirty percent. If you want a number you could actually realise, look at completed sales rather than listings.
Update the figures once or twice a year. The watch market is not static, and it fell substantially between 2022 and 2024, so a valuation from the peak is meaningfully wrong today.
For insurance purposes you generally want replacement cost rather than resale value, which is a higher figure. Keep the two separate in your own mind: what you would receive selling it, and what it would cost to buy another.
Keeping records that are actually useful
Alongside values, keep the serial number, reference number, purchase date and clear photographs of each watch including the caseback and clasp. This is what makes an insurance claim straightforward rather than a negotiation, and it is what gives police any chance of identifying a recovered watch.
Store that record somewhere other than with the watches. A list in the same drawer as the collection is no use after a burglary.
This tool stores your list in your own browser using local storage, which means it never touches a server and nobody else can see it. It also means clearing your browser data will erase it, so use the export button to keep a copy somewhere permanent.
Common questions
Is my collection data uploaded anywhere?
No. Everything you type here is stored in your own browser's local storage and never sent to any server. Nobody else can see it, including us. The trade-off is that clearing your browser data deletes the list, so export a copy if you want to keep it.
What value should I use for each watch?
For tracking what you could realise, use completed secondary market sale prices rather than dealer asking prices, which typically run twenty to thirty percent higher. For insurance, use replacement cost instead, which is the higher figure.
How often should I update the values?
Once or twice a year is enough for most collections. The market does move, sometimes sharply, and valuations from the 2021 to 2022 peak are significantly out of date.
Does my home insurance cover my watches?
Often only partially. Most contents policies cap the value of any single item and cap jewellery and watches in total, frequently below what a collection is worth. Check both limits and whether cover extends away from the home, since watches are usually stolen while being worn.
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