Black stainless steel case paired with a khaki nylon strap. Features a bi-directional rotating rose gold-tone bezel. Green dial displays analog-digital timekeeping using gold-tone hour/minute hands alongside index-Arabic numeral markers and minute ticks, plus slide rule markings on the outer rim; luminescent material is applied to both the hands and markers for low-light visibility. Equipped with a perpetual calendar function that automatically indicates leap years until 2100. Chronograph sub-dials track charge indicator, dual time zone (including second timezone), total running seconds, and hours up to 12 or 24. Includes perpetual alarm capability. Powered by Citizen's Caliber U680 Eco-Drive movement which harnesses light energy for continuous operation and incorporates Japan Movt technology; the watch is solar-powered with an automatic power reserve indicator charging via light exposure including fluorescent light. Features scratch resistant sapphire crystal construction. Secured by a screw-down winding/crown, this round case measures 46mm in width, 13.9mm thick. Strap has a tang clasp. Water resistant to 200 meters (approx. 660 feet).