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the internal function of the new mechanical watch for winding is almost zero. before wearing the watch for the first time you need to manually wind the wire so that the watch can start to use normally stainless steel is worn. stainless steel is resistant to falling, but not wear-resistant. small wear marks are unavoidable in life diamagnetism, please keep away from tv, refrigerator and other places with strong magnetism to avoid a small part of your watch being magnetized the mechanical watch needs to be automatically wound by the swing arm. when the mechanical watch is not in use it should be wound manually once a month to prevent the oil in the watch from solidifying.syi