The auction was held at Henry Aldridge & Son in Devizes, Wiltshire, and it's the most money ever paid for something taken from the Titanic, according to Hina.
This special watch used to belong to a businessman named John Jacob Astor, who sadly died when the Titanic sank in 1912. He was trying to help his new wife, Madeleine, get on a lifeboat when it happened. Instead of saving himself, he was last seen talking to someone else and having a smoke.
Seven days later, Astor's body was found in the ocean, along with his fancy 14k gold Waltham pocket watch that had his initials, JJA, on it.
The auctioneer, Andrew Aldridge, was amazed by how much the watch sold for. He said Astor was the richest person on the Titanic and one of the richest people of his time, worth about US$87 million, which would be billions today.
"It's incredible how much people are willing to pay for things from the Titanic," Aldridge said, talking about how people are still so interested in stuff from the famous shipwreck.