Instead Of a battery it truly is driven by a little photo voltaic panel on the watch confront (the 'Eco Generate') and because of 'Atomic Timekeeping' it may possibly claim to become the 'most accurate watch on the globe'. They created the 1st German pilot watches, which ended up DIN-Accredited. https://www.watchesworld.com/germanys-top-10-favourite-luxury-watches/