![]() There are some “Waltham” GG-W-113’s floating around as well, however, since Waltham filed for bankruptcy in 1957, it seems questionable that these models would even exist. They were utilized most prominently in the Vietnam War, but may also have been deployed in conflicts within the Persian Gulf and other middle eastern theatres. These watches were produced by American watchmakers Benrus, Hamilton, and Marathon, and were produced between 1967 and the late 1980’s, when quartz movements began to gain popularity and start replacing mechanical models. These are pretty standard requirements for a military watch, however the specification also includes detailed schematics for the dial and case design, with a bit of creative allowance. ![]() Shock resistance (must survive a fall from 4 feet onto a wooden block).A mechanical movement with an accuracy of +- 30 seconds per day.If you’re into that, go ahead and knock yourself out here, otherwise here is the summary: It’s a terse document full of technical standards and testing procedures. As you might expect, reading the entire GG-W-113 specification can be a bit dry. ![]()
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