Originally Designed For U.S. Troops In The Vietnam War, The DTU-2A/P Is A Faithful Reissue Of A Mil-Spec Field Watch From The 1960s. Its Compact 34mm Case And Automatic Swiss Movement Make It Ideal For Everyday Wear. Stainless Steel 34mm Case With Domed Sapphire Crystal, Screw-Down Crown, 38-Hour Power Reserve On A Brown Leather Bund With A Green Nato Strap.