Timex Ironman R300 is a $120 GPS watch with retro chic

In a week of surprise fitness devices from the timekeeping old guard, Timex has announced its Ironman R300 – which it describes as its first smartwatch. Hot on the heels of the new G-Shock GBD-H1000, the Timex R300 GPS is a sports watch that will track outdoor sessions for up to 20 hours – ands…