Needless to say, to achieve a weight of 10,000 grams, we must reduce the size a lot to achieve the scale of the watch and its incredibly small but powerful components. When developing and fine-tuning the Richard Mille RM 27-03 Rafael Nadal "Tourbillon Vibration Resistance", Richard Mille engineers used a so-called "pendulum impact device", although some watch manufacturers also have this device, a A rare and extremely rigorous method to test the durability of luxury watches.