D1 Milano Serial Number Check

As of 2023, 100% of new D1 Milano watches ship with a black QR-coded warranty card. If a seller offers a "brand new" watch without this card, it is a counterfeit. There are no exceptions for "grey market" D1 Milanos.

The Polycarbon Ultra-Thin in Black (ref. PCTH01) is the most counterfeited model by a wide margin. Always perform a serial number check on this specific watch. d1 milano serial number check

New D1 Milano watches include a plastic hang tag attached to the strap. This tag features a barcode and the same serial number found on the caseback and warranty card. All three should match perfectly. As of 2023, 100% of new D1 Milano

⚠️ Red Flag: If the numbers on the caseback, hang tag, and warranty card do not match 100%, the watch is either counterfeit or a "franken-watch" (assembled from stolen/unauthorized parts). ⚠️ Red Flag: If the numbers on the

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Since you cannot simply input a case-back number into a database to see its history, you must rely on physical verification and documentation. Here are the steps to check authenticity: