I am looking for a good impermeable or underwater clock with voice recorder function, even like that one of the cellular phone, where you click a button and it register, but I can't find it.

I need it because I've always got a lot of idea and things to note so I want something where I can register them and that I can bring everywhere: in the swimming pool, under the shower, while I am jogging etc.

You never know when the right idea arrives!

I bought something like that, the Casio DBV 3000, but it wasn't impermeable. I bought a Chinese one too, it says "water resistant", but when you go under the water a few humidity passes and the contacts are oxidized therefore it doesn't works anymore.

Anyone knows a truly impermeable or water resistant model? Any suggestion or link?

Thanks to anyone that can help me.