photograph a piece.
Start with a photo of the watch. Mavin guides you through any additional details it needs, such as a label, signature or reference number.

Photograph a watch. Mavin helps you identify it, explore its history and see what it could be worth, with the evidence behind every finding. Invite-only early access · Private by default.
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Start with a photo of the watch. Mavin guides you through any additional details it needs, such as a label, signature or reference number.
Explore its history, the details that distinguish it and an estimated value based on the available evidence and relevant sales.
Mavin saves its findings in your piece’s record. Add receipts, service records and the details only you know.
Follow relevant sales, market changes and stories connected to your collection. New findings give you more to explore and add to each piece’s record.

Design preview · Mavin for iPhone · sample data

A real Cartier Roadster Chronograph XL from the founder’s collection, photographed on an iPhone. Scroll to watch Mavin read it, or skip ahead.
Every mark on the dial, case and caseback, read where it sits. Reference 2618, identified from the caseback.
Dial printing, date lens, crown, bracelet and caseback, each one consistent with the reference.
Honest wear on the bezel and bracelet, with no sign of polishing.
Twelve recent sales and listings, each one labelled, brought to one estimate.
Restated for the demo. The stored record reads $3,348 to $8,557 at 33% confidence; this view also counts two August 2026 auction sales as sold comparables.
Add the papers and the score climbs past 850. The record keeps growing with the watch.
Read in about 92 secondsSample record · a real watch and its Mavin record, edited for the demo
Mavin is in invite-only early access. Register and we’ll email your code when your wave opens.

Mavin is live on the App Store. Download it now and your access code unlocks it when your wave opens.