Citizen Men's Eco-DRV WDR Watch Round watch with black dial featuring red contrasts, tachymeter bezel, and date display between four and five o'clock 43.5 mm silver-tone case with mineral dial window Japanese quartz movement with analog display Eco Drive technology is fueled by light and does not require a battery Also features luminous hands, chronograph subdials, and stainless steel link bracelet with foldover clasp Water resistant to 100 m (330 ft): In general, suitable for swimming and snorkeling, but not scuba diving