Bring sophistication to your day with the CITIZEN® Calendrier, powered by any light… with Eco-Drive. This timeless watch features 12/24-hour time, world time in 24 cities and day/date. Men’s watch featured with stainless steel case, chocolate brown leather strap with matching brown dial. Featuring our Eco-Drive technology – powered by light, any light. Never needs a battery. Caliber number 8729.