Its newer lines are the Nicolas Rieussec Collection, named after the person who invented the chronograph, and the Montblanc Collection Princesse Grace de Monaco, in honor of Grace Kelly, the famous actress and Princess of Monaco.

FORBES: Montblanc Earns Its Place Among Swiss Watchmakers

In 1982, Princess Grace of Monaco, formerly the American film actress Grace Kelly, died in the hospital after a car crash the previous day.

CNN: Monday,

LONDON, England -- Madonna is planning to get married wearing a tiara previously worn by the late Princess Grace of Monaco, according to her official fan club website.

CNN: Madonna to wed in Princess Grace's tiara