Black Ion Plated Stainless steel Case and Black Leather Strap. Black dial. Push button clasp. Fixed bezel. Mineral crystal. Quartz movement. 45mm Case diameter. 11mm Case thickness. 100m water resistance. Date Calendar at 4 o'clock, Luminous hands and markers. Alarm function and dual time. 12/24 Hour time. 180 day power reserve. Citizen Men's Calibre BL8097-01E.