This full-size training watch has Ironman-ready features, built into Ironman-worthy construction Oversized digits are easily readable at a glance, even while youre running. Features 100-hour chronograph with lap or split option 30-lap memory recall 24-hour countdown timer with stop and repeat capabilities. Includes three time zones, plus daily, weekday, weekend alarm with five-minute backup. Occasion mode lets you set reminders for events such as birthdays, anniversaries and holidays. INDIGLO night-light illuminates the display for easy use at night. Activate Night-Mode with a flick of your wrist for hands-free convenience. Water-resistant up to 330 feet 100m. Durable, water-resistant polyurethane watchband and tough resin construction provide comfort and durability.