Eternity In A Box: The Blancpain Rolls Starring Léon Hatot Made Watchmaking History
Léon Hatot and Blancpain met in 1929 and Hatot revealed his prototype of a revolutionary movement with automatic winding: the inside of the Rolls case included a rail on which the whole movement moved up and down on ball bearings, powered by the motion of its owner and providing the name for this unique timepiece right out of the history books.