RARE 1919 Waltham Depollier "Field & Marine" Waterproof Watch, Model used by the U.S. Army, Hermetic Threaded Case, Screw Down Crown, 36mm Nickel Case, 15 Jewels, Grade 365 Movement, Vast Majority of the Original Black Case Finish Still Intact, Re-lumed Enamel Shadow Box Military Dial & Hands, Hand Made Khaki Strap w/ Slider Buckle