The Jacqueline Kennedy Onassis Cartier Tank watch fetched $379,500 at Rare Watches and American Icons New York auction held recently. The watch was a gift from Jacqueline’s brother-in-law Prince Stanislaw “Stas” Radziwill in 1963, which was just nine months before the fatal day of 22 November 1963, when her husband, President John F. Kennedy was assassinated. The First Lady of the United States wore this Cartier Tank primarily during her life and she’s captured in many iconic photographs with the elegant watch, which features a caseback engraving “Stas to Jackie 23 Feb. 63 2:05 am to 9:35 pm.” referring to the start and stop times of Prince Radziwill’s famous 50-Mile Hike in Palm Beach to promote health awareness and physical fitness.