Citizen New Eco-Drive One Is The Thinnest Solar-Powered Watch Affordable Watches Citizen by wholesalewatches - April 9, 20160 Citizen has unveiled many stunning models at Baselworld 2016. And the Eco-Drive One cought many people's eyes. It is the thinnest solar-powered timepiece. The Eco-Drive One will be available in three general release models—the AR5000-50E, AR5000-68A, and AR5004-59H (stainless steel case with cermet bezel)—as well as the limited edition AR5014-04E.