sentences:  These companies have together been referred to as the Frederique Constant Group.In 2001, Frederique Constant began the development of its first watch movement in cooperation with the École d'Horlogerie de Genève, École d'Ingenieurs de Genève and the Horloge Vakschool Zadkine.The Heart Beat Manufacture has a characteristic bridge for the balance wheel on the front side of the movement.