Bold, aggressive, and dimensional, Citizen Eco-Drive introduces its newest timepiece with atomic timekeeping, the World Time A-T. With Atomic Clock synchronization for superior accuracy, this perpetual calendar has an analog world time that keeps time in 26 time zones. In stainless steel with a black dial and bright orange accents. Featuring our Eco-Drive technology – powered by light, any light. Never needs a battery. Caliber number H820.