This is a rare vintage Casio Temperature tells the  temperature in Centigrade and Fahrenheit. World timer, Day Date, Backlight. Alarm, and timer. 100 meter water resistant to 100 meters over 300 feet. This Casio watch goes for anywhere from $250 to over  $1300 depending on the condition of the watch.   This particular  watch new never worn sells normally if you can find it without papers and box  for over $1350. Great investment piece. Has new battery