Features: Sport men watches meet your sport style. Dual quartz movement with dual display provides accurate time. 3ATM water-resistant, but not for swimming, shower, diving. Made from genuine leather band and hard mineral glass mirror. Luminous function makes you see time clearly even at night. It has four small dials inside, which are a 1 / 10 second dial, a minute dial, a second dial and a 24 hours dial. Calendar included, convenient for you.