Inspired by the $690,000 USD Richard Mille RM 27-01 Nadal we reviewed here, the Richard Mille RM 50-27-01 is an ultra exclusive USA limited edition truly designed after the legendary watch that Rafael Nadal made famous in a 5-piece limited edition. The RIchard Mille RM 50-27-01 NTPT USA Limited Edition is powered by a movement with a total weight of merely 3.8 grams and that is fully suspended and anchored to the NTPT case by shock absorbers and braided steel cables.