(CNN) — Isidor and Ida Straus are remembered as two of the highest-profile victims of the Titanic disaster, and among the few first-class passengers to perish.

The pair, who were depicted in James Cameron’s Oscar-winning 1997 movie “Titanic,” were offered seats in one of the lifeboats but refused to be separated.

The body of Isidor, who co-owned the New York department store Macy’s, was later recovered. His wife’s was never found. Now, well over a century after the world’s most famous maritime disaster, the pocket watch Isidor was wearing at the time has come up for sale.

The gold pocket watch was recovered from Isidor’s body and returned to the couple’s son Jesse. Ida is memorialized on her husband’s grave in New York’s Woodlawn Cemetery.

The watch, which is estimated to fetch

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