The Historical legacy on the Moonwatch includes a Hesalite crystal and an aluminum bezel with tachymeter scale. Hesalite as opposed to sapphire to the crystal is easily the most reliable allusion for the Moonwatch’s heritage, but Hesalite scratches commonly, as also turned apparent in our wearing test to the wrist. https://www.watchesworld.com/germanys-top-10-favourite-luxury-watches/