This Citizen Eco-Drive Chronograph CA0775-87E watch is perfect for men who love both style and functionality. Whether you're at a business meeting, a sports event, or just out for a swim, this watch has got you covered. The watch uses solar power, so you don't have to worry about changing batteries. It has a chronograph function to help you time events accurately. With a case diameter of 42.5mm and a thickness of 12.5mm, it fits comfortably on your wrist.