This Citizen watch is perfect for men who want a reliable and stylish timepiece. Whether you're at work, on a casual outing, or even near water, it can accompany you. With a 40mm case size and 11.7mm case thickness, it fits comfortably on your wrist. The automatic movement with 21 jewels means you don't have to worry about constantly winding it, and it can run for about 40 hours when fully wound.