Not sure what that is proving.
The earlier tests, with trying to scratch it, boil it, Dropping it, and finally getting damaged by being hit by a cast iron pan. Are things that I see are normal ware and tare. What I would want to see for a test is how well it holds up going thru the washer and dryer.
But the sledge hammer, gunshots, and explosions are really putting out of normal use scenarios. I can see taking your watch off on the counter next to you while you are cooking, then accidentally dropping a pan on it. But not a direct hit with a sledge hammer.