Citizen Men's Atomic Time Eco-Drive Watch, Silver-tone with blue dial and red accents. This World Timer is radio controlled and synchronizes time in 43 cities. Other features include Luminous hands and markers, a Power Reserve Indicator, Chronograph and alarm. And because it is Eco-Drive, it will charge by any light source indoors or out and will never need a battery. Anti-Reflective Sapphire Crystal. Water resistant to 200M. Case size 43MM. Backed by Citizen's industry-leading 5-year warranty.