Using this watch is easy. Just set the time according to your local time and the second time zone if needed. When setting, use the buttons on the side of the watch case. For daily wear, it's a great companion for your sports and casual activities. Remember, this watch is water - resistant but not for swimming, diving or showering. To keep it in good condition, clean the watch regularly with a soft, dry cloth. Avoid exposing it to extreme temperatures and strong magnetic fields. If you notice any issues with the timekeeping or the movement, it's best to take it to a professional watch repair shop.