Chronograph. Durable strap and case. Mineral glass crystal / Scratch-resistant. One-touch backlighting. Pre-curved polyurethane strap / Comfortable fit. Stainless-steel buckle and back plate / Enhanced durability. Strap-keeper post / Prevents strap from flapping. Time, date, 2 alarms, 2 time zones. Two-segment interval timer with effort indicator / For hard/easy training