Casio introduces new radio wave controlled wristwatches for the outdoors.
The new PRW-1100YTJ (photo), PRW-1100BJ, PRW-1200TJ and PRW-1200CJ are able to synchronize time from 5 stations in the world; two stations in Japan, one in the US, one in the UK and one in Germany. Additionally the new Casio watches measure altitude, temperature and atmospheric pressure. On top of that the Casio watches are powered by solar.