The Nixon 51-30 Chrono Wrist Watch for Men is an attractive, intelligent adult watch that offers you the simplicity of a 25-millimeter solid black case, dial, and strap. The contrast of bold, white numbers and markers makes it appealing without requiring intricate design work. This analog watch also has nighttime luminosity capabilities to help you tell time in dark places. In addition, this chronograph Quartz device is ideal for use underwater because of its water resistance up to 300 meters. It has a classic round dial, a digital schedule and a calendar. This men's watch also withstands temperatures as cold as 14 degrees Fahrenheit and as warm as 140 degrees Fahrenheit.