I'd take it apart minimally (unscrew the casing a little) to let the insides air out. If you see a lot of water inside, try to remove it with paper towels or by light shaking.
You don't want it to be wet inside, as the water can damage any electronic device it gets into, and even make the insides rust.
To be on the safe side, you might also want to replace the battery. (make sure the back where the battery goes isn't wet inside. You especially don't want that area to become rusted.)