Chayon Sinha

Private catalogue for watch collectors. - The private catalogue for serious watch collectors.

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VAULTWATCH is a luxury-dark web + mobile app for cataloguing your watch collection. Track every detail — brand, reference, serial number, warranty dates, service intervals, and photos — in one place. Built for collectors who are done with spreadsheets. Obsidian + gold aesthetic, offline-first, and warranty alerts so you never miss a claim window again.

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Chayon Sinha
Maker
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Hey Product Hunt 👋 I built VAULTWATCH because my own collection outgrew my memory. Warranties I forgot to claim, service intervals I was guessing at, purchase details buried in email threads. Nothing out there felt right for this — most solutions are either generic inventory apps or full dealer platforms. So I built exactly what I wanted: a private, offline-first catalogue with a UI that feels like it belongs in the same category as what it's tracking. Dark obsidian, gold accents, every detail per watch in one place. A few things I'm particularly proud of: - Warranty status at a glance — active, expiring soon, expired — with the exact days remaining - Service interval tracking so nothing slips past its window - Photo support per watch, with a cinematic detail view - Works on web and mobile from a single codebase This is v1 and I'm actively building. Would love to hear from other collectors — what's missing, what you'd want, how you currently solve this. Happy to answer anything.