This Citizen Eco - Drive watch is perfect for everyday wear, whether you're at work, on a casual outing, or attending a special event. It's great for watch lovers who appreciate Japanese craftsmanship and modern functionality. The watch has a case thickness of 10.1mm and a case diameter of 42.0mm, making it a comfortable fit on most wrists. With its eco - drive technology, it can be recharged by any light source, so you don't have to worry about battery changes.