Armitron Sport Men's 40/8347BGD Gold-Tone Accented Digital Chronograph Matte Black Resin Strap Watch Gold-tone resin case with black top ring; LCD display with time, seconds, day and date; matte black textured resin strap with buckle closure Functions include: chronograph, lap time, alarm, dual time, military time and backlight Quartz Movement Case Diameter: 52mm Water Resistant To 100m (330ft): In General, Suitable for Swimming and Snorkeling, but not Diving