I don't like it when people treat paper like that. You made a little fold on that paper two seconds after touching it. Some people are just unable to manipulate paper with care I believe, like turning pages on a book for example.
Had it been Samsung, they would have publicized the Watch as being waterproof.
Apple probably noticed that the waterproofing isn't perfect and want to see how many Watches are damaged by water and how in the first year.