I just got the camera back from Hans and the camera and SD card with videos are in perfect condition. After 13 months on the bottom it's amazing to watch them.
Here's a clip from the time the camera flew off my daughter's head to hitting the bottom. It takes about a minute to get there. It lands face down but you can still hear boats going by in the audio.
Watching it reminds me of the old grainy videos of the Apollo moon lander descending to the surface:
https://www.youtube.com/watch?v=m4yoxeF--yc