I have read and hoping that I get a working Casio solar watch the Rezesionen. Unfortunately the is not so. Even after 5 hours in the bright light, the clock does not stop by 1 minute in the darkness through. Then I put them for 1 hour in the sun and even that does not bring any improvement. Short in the shade and it is made again and you have to set the time again. :-(
I mean the clock is unbeatable but without function also brings the price / performance ratio not ...
Stay away from this clock. Total gambling whether it goes or not. Clock will still be returned.