This is a public service warning, before the Inevitable Scratchgate appears. We know how anal Apple customers are. So here is the straight dope. If you work on a MacBook regularly and you wear a watch with a steel bracelet with a steel clasp. the bracelet and the clasp WILL scratch. There is NO WAY around it. I know. I wear a stainless steel Rolex for years and I work on MacBook Pro all the time. The clasp is all scratched up by the edge of the MacBook. I never had that problem when I was using a Dell in the past where the palm rest was made of plastic. But I've come to accept it. With a Rolex though, you take the watch back to Rolex every five to seven years for maintenance and they polish and refinish the case, the bracelets, and the clasp so they look like new, to the tune of over $500. This is not going to happen with the Apple Watch. So fair warning. If you own a MacBook and the aluminum case scratches your beautiful link bracelet don't be complaining how Apple should compensate you for it.