The Citizen Promaster CB5861-59E is a feature-rich, eco-friendly timepiece from Citizen's Promaster collection, powered by Eco-Drive technology, which harnesses light to keep the watch running without the need for battery changes. This model features a striking black dial that complements its sleek, stainless steel case. It offers 26 World Cities Time and Global Radio-Controlled synchronization for accurate timekeeping across time zones. Additional features include a Perpetual Calendar, Insufficient Charge Warning, Overcharge Prevention, and a Power Saving Function to extend battery life. The Summer Time ON/OFF function allows for easy adjustments between standard time and daylight saving time. With its durable construction and advanced functions, the Promaster CB5861-59E combines style, performance, and reliability, making it an ideal choice for travelers and those seeking a high-tech, low-maintenance timepiece.