Resin case with a resin strap. Fixed bezel. Digital dial. Month-date-day. Quartz movement. Scratch resistant mineral crystal. Tang clasp. Water resistant at 100 meters/ 330 feet. Functions: hours, minutes, seconds, calendar, 100 hour chronograph with lap and split, 2 mode countdown timer, alarm with 5 minute backup. Indiglo nightlight. Additional Info: heart rate monitor strap is 30 meters/ 100 feet water resistant. Timex Ironman Road Trainer Mens Heart Rate Monitor T5K212.