This watch is Daily Water Resistant but not for swimming or showering. Press your finger to the screen and the time is displayed. Press screen again and wait a few seconds, the watch will go blank and the current hourly setting will blink. Every press will increase the number and it need to be pressed for a few seconds to confirm the right number. After setting the correct hour, you will be allowed to change the minute settings as well. Following, press screen for a few seconds again and you can also set Year and Date orderly.