How do I find a Patek Philippe watch serial number?

All Patek Philippe watches have serial numbers engraved on the case’s back. Luxury watches will always have a serial number to help with authentication, and Patek Philippe is no exception. Consult the brand’s website for more information on finding the date of manufacture on your watch. On 1stDibs, find a collection of vintage and contemporary Patek Philippe watches from some of the world’s top sellers.