So even though I can use my iPhone to look up the time anywhere in the world, I love world time watches. Pictured as purchased a couple of days ago. Nice BIG size 46.6mm across including crown guards. So now I can see the current time in Sydney even when I am under water

 

If I were under water, nothing could be further from my mind than the time in Sydney! I'd be looking to ditch ballast.

 

isn't Sydney harbour one of the largest breeding grounds for the great white shark...... you could hope it chokes on that hubcap and coughs you out I suppose.