Armitron Sport Men's 40/8284 Digital Chronograph Resin Strap Watch Sporty watch featuring day/date, chronograph, lap time, alarm, dual time, military time and backlight functions 53.5 mm case with acrylic dial window Quartz movement with digital display Textured matte black resin band with buckle closure Water resistant to 100 m (330 ft): In general, suitable for swimming and snorkeling, but not scuba diving