The rolex winds itself with an oscillating weight which is designed to spin, you probably do more damage taking it off and letting it sit than wearing it. Just make sure it is fitted to your wrist, a loose watch band will allow the links to pull, stretch and distort.
I now have an M&P 22 and love it so far, the roll pin or spring pin located just below the take down lever keeps backing out starboard. the farthest it has come out is about 3/32 to 1/8 inch. I tried the search to see if anyone else has had this issue with any of the other M&P's but was not...