With the masterpiece HERIOS TriRetrograde Seconds Skeleton Enamel "Theater" in 18K red gold, limited to 18 editions, Milus honours both the unique art of enamelling and the exceptional function of the TriRetrograde seconds. The heart of the watch forms the unique dial which has been artistically created by hand with what is known as the most sophisticated and ingenious technique of the art of enamelling: the Cloisonnée.