With the Baby Nadal, Richard Mille has proven that a watch can meet all the standards of the Fleurier Quality Foundations certifiable test and still come out at a lighter weight. A chronofiable certified test proves the longevity of a timepiece, so you can feel confident that the RM 035 shall be with you for a long time. The RM 035 has a lightweight 48mm case that is made of Aluminum 2000 which is an alloy of aluminum, copper, and magnesium and has a high resistance to mechanical pressure and high temperatures. This timepiece runs on the caliber RMUL1 which has skeletonized manual winding movement and a power reserve of up to 55 hours. The dial is skeletonized and transparent with hour markers as well as sapphire glass. It comes with a rubber bracelet that has a titanium fold-over clasp. It has a water resistance of up to 50 meters.