![]() The acrylic crystal is referred to as "copolymer plastic". It is straight-knurled and includes the "dimple" typical of similar period Benrus U.S. It required a 17 jewel bearings, stem wound and set, a power reserve of 36 hours and a 30-second daily accuracy rate. Hands made of cartridge brass, painted white, filled with green luminescent paint, the tip of the second hand was luminescent orange with tritium (hydrogen 3) as the luminescent. A black, non-ferrous metal dial with numerals and graduations in white, a triangular hour indice at 12 was required to be luminescent yellow and the other hour markers were green in color. It required the 1.40″ metal case and all metal pieces be protected by a finish or preservative with the exception of parts which would be adversely effected if so treated. The B revision was meant to provide a single standard for a 17 jewel watch with a life of at least two years. Eliminate testing requirements of one year and substitute in lieu thereof a guarantee provision. Reduce the variety of grades and types of watches. Revision A of specification MIL-W-3818 was released on Mato include the following:Ī. They are accurate to 30 seconds per day, and are produced by Movado, Waltham, Elgin, and Hamilton. It has been described as "reasonably shock resistant and waterproof". This watch was known for its luminous hands and markers, had a seven jewel movement, an olive drab cotton strap, and a stainless steel case. This section needs expansion with: We have no idea what happened on these dates!. Some had no cover over the watch crystal, while others had a metal cover, some of these had pieces of the cover cut, so that the watch could be seen without opening the cover. Later seen in World War I, rudimentary wrist watches were small sized pocket watches with metal lugs soldered on so that a fabric strap could hold the watch to a wrist. ![]() These new wrist watches saw their first action in the Boer War. Another story is that Wilhelm I placed an order at a Berlin trade show. One story tells that the military wristwatches came into use when a German naval officer needed to know the time but could not pull out a pocket watch since both his hands were busy operating the machine. ![]() Military watches are believed to have received their name from a German military request for a soldier in a watch house, otherwise known as a guard tower. 4.2 18W8 (INT) wristwatch (watertight) "buship" "canteen" dive watch. ![]()
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