Prince Stanislaw Radziwill first gave Jackie the Cartier Tank watch in 1963. Now it’s part of a major London museum exhibit.

Jackie Kennedy wore a silk taffeta gown with a bouffant ... which was originally worn by her grandmother Margaret Lee. As for jewelry, Jackie wore two gifts from her husband-to-be: a pearl choker ...

Below, Jackie Kennedy's style evolution in photos ... wearing understated but expensive jewelry, with her signature hair and ...