Citizen Eco Drive Watch AW015185E surprises with its lightpowered EcoDrive system that transforms any light into energy, freeing this quartz mens watch from battery changes and giving up to roughly six months of reserve after a full charge. The clear dayanddate calendar enhances everyday usefulness, while 100 m water resistance and durable mineral glass ensure reliable performance for daily life and casual swim sessions. Its 40.5 mm stainless steel case and bracelet deliver timeless elegance with resilient comfort on the wrist.