Ironman 50-Lap Dual Tech: Full SizeCombining an analog dial with a full-featured digital sports watch, this collection easily transfers from a workout to a night on the town or a day in the office. The large digital display turns off for a classic analog look.Features: Dual tech feature allows digital display to turn on and off Updated analog dial with enhanced minute markers and a bold second hand allows easy readability Large-digit digital display provides time at a glance Large top-pusher makes taking laps and split times easy Premium materials including an aluminum top ring complement rich colors and elevated designs 100-hour chronograph with lap or split option 50-lap memory recall 24-hour countdown timer with stop and repeat Customizable alarm with 5 minute backup Two time zone settings Built-in setting reminders Forward and back buttons for easy setting Durable rubber strap or fastwrap velcro strap 100-meter water resistance INDIGLO night-light using any button with NIGHT-MODE feature