rm-howA serial number is unique to each Richard Mille timepiece. Serial numbers play a crucial role in demonstrating both authenticity and ownership.

Richard Mille serial numbers are engraved on the bottom of the caseback of your watch. The serial number begins with the prefix ‘RM’ and is followed by a series of alphanumeric characters separated by spaces. Please note, there may be variations from the examples below including serial numbers that incorporate dashes (e.g. RM00-00 AA BB 00/00).

EXAMPLES: RM000 AA BB 00/00 OR RM000 AA BB / 00

Enter the serial number into our Check Authenticity search bar to instantly confirm the authenticity of a Richard Mille you own or are attempting to buy.