Citizen Watch Eco Drive Strap Mens Color. Simplistic styling with clever technology, this Men's World Perpetual A.T is a must-have in any collection with synchronised time adjustment in 26 time zones. Styled with a timeless leather strap, clean white dial and rose gold-tone stainless steel case, this watch is the perfect fusion of classic design and functionality. This radio-controlled timepiece also features sapphire crystal, anti-magnetic, a 2 year power reserve in the dark and water resistance to 100 metres. Sustainably powered by light with our Eco-Drive technology.