Citizen Redefining A Classic Timepiece With A Hint Of Style, The Citizen World Perpetual A-T Brings About A New Confidence. A Timepiece That's Not Only A Solar Watch, But Powered By Any Light With Eco-Drive Technology And Features Atomic Timekeeping Technology With Synchronized Time Adjustment, Perpetual Calendar And Date. Seen Here In A Men's Rose Gold-Tone Stainless Steel Case With Black Ion-Plated Bezel, Chocolate Brown Leather Strap And Black Dial.