The Citizen BM7635-01X is a men's watch from the Active Sport collection, designed for an active lifestyle and outdoor use. It features a 41 mm black stainless steel case with a green dial and matching green nylon strap. The watch is powered by Citizen's Eco-Drive technology (caliber E111), which harnesses light to charge the battery, providing a power reserve of up to 180 days. Additional features include a date display at the 3 o'clock position, luminous hands and indices for enhanced readability, and water resistance up to 10 bar (100 meters). Reference number: BM7635-01X.