I've seen worse, but that was pretty cringingly bad, in one of those positions where it's too bad to actually be good, some films can be so bad that they're good, if only for the laughs, but some movies don't even have that.
In regards to submarine movies, the one thing...actually, make that two things that get me in nearly every sub movie is the submarine 'pinging' whenever it passes the camera (only submarines with a death wish do that, unless you count the HF sonar for ice maneuvering but that's only used under the ice.
Secondly, and much more common is the Sonar/RADAR bug, in which the Sonar display is actually a radar, Crimson Tide, Hostile Waters, so so so so many films, TV programs, cartoons and comics have featured this and it digs at me every single time. The Hunt for Red October got it right, but I can't think of many others that have.
Still, if you want psychological damage, I can only pass on a recommendation I received from the king of terrible films, HunterICX, and that's 'Funky Forest', it's Japanese, which should tell you a lot of what you need to know, and although I haven't managed to see the whole film, the clips on youtube that I have seen...
