In Place of a battery it's run by a small solar panel to the watch encounter (the 'Eco Generate') and because of 'Atomic Timekeeping' it can claim to be the 'most exact watch on the earth'. It incorporates a stainless-steel circumstance which has a scratch-resistant sapphire crystal. It’s a hand-winding https://www.watchesworld.com/germanys-top-10-favourite-luxury-watches/