During World War II, Korean and Vietnam conflicts, Benrus supplied millions of watches to the U.S. military. All of those conformed to the rigorous military specifications of 1942. This reproduction mechanical wind-up watch, assembled in the U.S. factory, include a stainless steel water resistant case. Swiss movement with full 17 jewel mechanism and luminous dial and hands. Watch also features the "hack" feature that permits the sweep second hand to stop when the crown was pulled, allowing soldiers to synchronize their watches. Made to same exacting standards as the original, the watch comes with a O.D. green tropical weather canvas strap and a canvas/leather field pouch.