About RefChrono

An independent watch reference database.

Our mission

Make watch reference numbers, specifications and source records easier to find and compare. RefChrono is an independent reference project, not a retailer or an official manufacturer catalogue.

What the database contains

A dated snapshot of public watch records. Reference pages group exact reference strings within explicitly normalized brands. Source differences remain visible. An indexed subset has fuller specifications; the searchable catalogue retains all source records.

AI usage

AI assists software development and normalization rule design. Classification in this release uses deterministic brand-scoped rules and exact-reference evidence. Missing history, prices, ratings and specifications are not generated.