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Horologe
FAQ

Common questions.

What Horologe is, what it isn't, where the data lives, and how it treats vintage references.

›What is Horologe?
A private, hosted ledger for personal watch collections. References, calibres, complications, dial geometry, photographs, paperwork, condition, provenance — one record per watch, kept the way a serious collector keeps notes.
›Why not just a spreadsheet?
A spreadsheet doesn't hold a warranty card scan or a service-stamp photograph. It doesn't issue a redacted link to your insurer that hides the serial number. It doesn't keep an audit trail of every edit. Spreadsheets are wonderful at columns of numbers and terrible at the rest of what a collection record actually contains.
›What about my serial numbers?
Serials live in the database alongside every other field, but they are hidden from every share-link by default. You opt in, link by link, on the rare occasion you have to reveal one (an appraisal, an insurance claim, a vintage authentication). The default is always "do not share."
›How do you handle vintage references?
The reference number field is a plain string, deliberately. Vintage Patek references like "3970E," obscure JLC numbers, or pre-war Longines model codes all fit. The model and reference-number columns are separate, so you can keep "Calatrava" in one and the specific year-variant in the other.
›Is Horologe a marketplace?
No. Horologe does not list, buy, sell, broker, authenticate, appraise, or transfer watches. It is a catalogue. The marketplace question is intentionally out of scope — there are excellent dedicated marketplaces and we are not trying to compete with them.
›Where does my data live?
On Horologe's own infrastructure, with a small set of named sub-processors for payments, transactional email, and error reporting — see “Who else sees my data?” below. Your catalogue is private to your account; it is not indexed for search engines, sold to data brokers, or used to train models. The details of what we collect, how long we keep it, and who processes it are spelled out in the Privacy Policy.
›Can I export my catalogue?
Yes — every collection exports to .xlsx from the collection page, round-tripping cleanly back through the importer. Photos, documents, and videos can be downloaded as a ZIP archive — per watch or for the entire collection.
›Who else sees my data?
Nobody, unless you generate a share-link. We use Stripe to process subscription payments and SendGrid to deliver transactional email; both are industry-standard sub-processors and see only the data they need to do their job (your email address for SendGrid; your billing details for Stripe). Sentry receives application error reports stripped of personal data. We don't run advertising or behavioural tracking on the application.
›How are watches shared with insurers or watchmakers?
Generate a per-watch share-link. Each link encodes its own visibility flags — serial, price, notes, purchase source, photographs, videos — independently. Revoke at any time by deleting the row. Set a view-count cap or an expiry date if you want one.
›What if I want my data deleted?
From the account page, request deletion. You have a 30-day window to undo via a link emailed to your address. After 30 days, the user row and everything that cascades from it — collections, watches, photographs, documents, activity — is permanently removed.

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A private ledger built for the watches you actually own — kept the way collectors keep notes, not the way a marketplace keeps inventory.