The Casio(r) digital Pathfinder watch keeps you updated with moon age/phase data and sunrise/sunset data. It displays the moon age/phase and the sunrise and sunset times on the current or designated day. It's also set-up with a vibration alert and storage for up to 40 records, each with the date. It's water resistant and has an auto electro-luminescent backlight with afterglow for easy visibility in the dark.