As long as you wear your watch on a daily basis, your new KAZIMON Automatic Divers Watch will never run out of power! Browse this site https://www.swiss-watch-retail.com/ for more information on Automatic Divers Watch. The downside is that these automatic watches tend to lose or gain a few minutes here and there over the course of the month, so before a dive or other time sensitive event, make sure to sync your watch.