This Citizen Tsuyosa watch is perfect for men who love casual style. You can wear it while going out for a walk, having a party or even doing some light water activities like swimming in a pool. With a case diameter of about 40 mm and thickness of 11.7mm, it's comfortable to wear on your wrist. The watch features an automatic movement, a sapphire crystal and 50m water resistance, making it both practical and stylish.