Just want to share a little success story.. My trusty bog standard 5600w got flooded during a swim during the holidays. All due to a misaligned gasket..
Well, I opened it up noticed a lot of water, took it apart, dried all the parts with a hair drier, popped in a new battery and it just worked!
Was I really lucky or is this common with e G-Shocks? I just counted on it to be shorted. So well worth a try if you'd find yourself in the same position.