GG-W-113 U.S 1960s Pattern Handwound Military Watch with Plexiglass Crystal and Mechanical MovementSKU: GGW113 HW26 Recreating a Vietnam War Classic Built to Original Military Specifications The GG W 113 infantry watch traces its origins back to October 1962, when the U. S. government issued MIL W 3818B specifications to replace the earlier 1956 standard (MIL W 3818A). These watches, produced by Hamilton, Benrus, and Bulova, became the trusted companions of American troops during the Vietnam War and are now icons of military watch design. In 2009,