In 1986, Timex released the Ironman 8-Lap and set the standard for digital training watches. The 40th Anniversary edition reissues the original design.
Brief · Source report
Timex Revives Its Original, Genre-Defining Digital Training Watch

Brief · Source report

In 1986, Timex released the Ironman 8-Lap and set the standard for digital training watches. The 40th Anniversary edition reissues the original design.