Armitron Sport Men's 40/8258MBLK Black Resin Strap Digital Chronograph Watch Large 50mm round metallic black resin case with metallic grey top ring Two-zone reverse LCD display -black background with light grey digits- includes the day, date, time, and seconds Chronograph with lap time, alarm, dual time, military time, and back-light functions Ridged, textured black resin strap with stainless steel buckle closure Water resistant to 330 feet (100 M): suitable for snorkeling, as well as swimming, but not diving