Maybe he thinks he's an engineer, in Canada they wear iron rings unsure about US customs on this. And yes I know a man that wears a little gold chain on his tie like some of the GB do. It struck me as odd when I first saw it 15 years ago.
A red flag went up in my mind right away telling me this guy was posturing. When you have a gut feeling that something is off listen to it, I ended up being right.