The research scientists aboard the National Oceanic and Atmospheric Administration ship Okeanos Explorer have, with an undersea robot, revealed a ship’s chronometer at the bottom of the Gulf of Mexico. The timepiece is believed to be a relic from a shipwreck about 200 years ago.

You can read more about the discovery here.

University of Texas Institute for Geophysics researcher Jamie Austin is among the scientists aboard the Okeanos Explorer.