Yeah, a guy on BBC just lost his when he opened his belt to do some business off the back of the boat. He said sank like a lead weight!! haha duh....put it on a belt LOOP not on the belt
I bought the one you listed in the first link. Much smaller and manageable. I was looking at it trying to figure out a way to wear it on my wrist. That would be the ticket like the second link you posted.