Tissot watch prs516 quartz chronograph t sport prs516 quartz chronograph is the modern version of a tissot timepiece that came in existence in the 1960s both are inspired by motor sports the 2010 version of the sporty watch is equipped with swiss made eta g10211 quartz calibre that is powered by a battery approximate battery life totals 38 months end of life eol indication is available for the convenience of the wearer hands and markers are luminous for improved night time visibility t