peppergunner
ɹǝqɯǝW pǝʇɹǝʌuI
You probably don't need to go full g shock. I've run my $10 CASIO through the mud and it still wakes me up every morning.I guess which ones are able to make it through the ringer there. Durability and what not, could care less on looks.
Edit: Haven't been to OCS yet but it's what I plan on taking.