In Lieu of a battery it is powered by a little photo voltaic panel about the watch deal with (the 'Eco Travel') and because of 'Atomic Timekeeping' it may declare for being the 'most accurate watch in the world'. If what is happening in Neuchâtel and Plan-les-Ouates is anything to https://www.watchesworld.com/germanys-top-10-favourite-luxury-watches/