watch. Here is a link from a post in 2009, picturing the model that was approved for wear by US military. Dorsey H. first uncovered this one and I followed up by purchasing one. Check out the link:
MODERN TIMEX MILITARY WATCH
You can do a search on "timex military approved watch" (leave out the quote marks, of course) and read the full post from DorseyH.
Thanks for looking!