What information/documents are required to join Cartier Care and extend the International Cartier Warranty of my watchmaking creation?

To join Cartier Care, you will need your watchmaking creation's serial number, which is found on your warranty card and engraved on the back of your timepiece. To create a MyCartier account your last name, first name, title, country of residence, email address and phone number (optional for China) will be requested.