Richard Mille RM 27-03 Rafael Nadal watch with Touri Wheel 10,000 grams One minute of Tu Feihe runs in 3 Hz, 6 half-oscillations per second, this is a feat, it can perform 70 hours (according to the Richard Mille +/- 10%), must manually be manually rotated Reply. The balance wheel is of course, using the variable moment free spring of the inertial screws - the normal setting mechanism is likely to be detached after the previous impact, while the slight weighted screws are set to help it maintain its balance in the periphery of the balance wheel.