Adjustable black 14mm resin strap fits up to 7.5-inch wrist circumference 24-hour chronograph with 1/100-second resolution; daily alarm Two time zones; 24-hour military time mode; day, date & month calendar Black 38mm resin case; acrylic lens; gray digital display; Indiglo light-up watch dial Water resistant to 50 m (165 ft): In general, suitable for short periods of recreational swimming, but not diving or snorkeling