After wearing my new DD40 for a couple of days I realized today some small marks on the first polished center link after the clasps closure mechanism. I realized that this is due to the fact that the bracelet can bend inwards (e.g. when taking it off, put...
In fact, I'm even crazy about the bracelet rubbing internally. So I always arrange my bracelet in a way that nothing will rub on itself, including taking into account that crown logo.
Don’t worry. This is built in by Rolex to indicate whether a watch is NOS/unworn or not. All Day-Date lovers wear this watch and they can identify themselves at exactly this “indicator”.