This Citizen watch is perfect for active men who want a reliable timepiece. Wear it during daily activities, workouts, or even while swimming thanks to its 100m water resistance. The watch has an approximate case diameter of 42mm and thickness of 10.7mm. With its eco-drive technology, it uses solar power, so you don't have to worry about changing batteries often. The blue dial with luminous hands makes it easy to read the time in any light.