The Legacy Shackleton Epic limited edition marine chronometer, of which only 25 will be made, is set to become the symbol of the re-born Thomas Mercer as it redefines the marine chronometer in the 21st century, combining precision engineering and mechanical perfection with superb design and innovation. The name Legacy truly bears witness to a dashing heritage of more than 150 years, propelled into the future by incorporating the latest design styles and innovative horological ideas.