Timex has three new models of the Ironman 8-Lap, each featuring steel cases, bezels and pushers that bring a trio of robust updates to a watch already famed for its rough-and-rugged demeanor.

Timex has updated its tried-and-true Ironman watch with GPS, deep activity tracking, and more: Meet the new Timex Ironman R300 GPS. Back in 1986, Timex released the first Ironman sport watch ...