Tissot watch t touch expert titanium the t touch expert range consists of functional timepieces for the active gentlemen this titanium watch is equipped with swiss made eta 48531 quartz calibre that is powered by a battery approximate battery life totals 24 months end of life eol indication is available for the convenience of the wearer all of the watchs functionalities are available through the touch screen some of its complications include perpetual calendar alarm chronograph ther