Just about every movement went by way of a forty four-day testing interval in five positions plus a a range of temperature from -5° to +46° C. It was developed for armed service use, continuously for more than 30 several years and have become ‘The common’ for all military-quality timepieces. https://animemovies09764.tkzblog.com/26685707/not-known-factual-statements-about-iwc-cambodia