This AK-serial Richard Mille RM028 Americas Limited Edition is rated 9.99 out of 10. The Richard Mille RM028 Americas Diver is a limited edition watch of only 30 pieces that is exclusively available in North and South America.This watch is composed of a three-piece DLC titanium case, measuring 47 mm in width and 14.6 mm in thickness. It comes with undated paper only.