WATER RESIST 5BAR Water resistant Stopwatch Alarm, Hourly Chime Date, Day of the week EL Light Operation confirmed. I don't know when the battery will die. The box will be folded before shipping. Please purchase only if you understand that this item is stored at home. Those who are concerned about details should refrain from purchasing. Please feel free to comment if you have any price negotiations, questions, or if you would like to see more photos. I have many other items for sale, so please take a look if you'd like. ^ ^