Timex Men's T5H581 Ironman Traditional 30-Lap Black Resin Strap Watch

The Indiglo® night-light uniformly lights the surface of the watch dial using patented blue electroluminescent lighting technology. It uses less battery power than most other watch illumination systems, enabling your watch battery to last longer. The Night Mode feature allows you to illuminate the Indiglo® night-light for 3 seconds with any button press, regardless of the mode or function.

Amazon.com
Keep your sports training focused with this full-sized, shock-resistant Timex Ironman Triathlon multi-function sport digital watch (model T5H581), which features a 30-lap memory, a durable black resin case, large buttons for easy access to timing functions, and a comfortable polyurethane strap. It also offers water resistance to 100 meters (330 feet), three alarms (with 5-minute backup), and three time zones. Other features include a top pusher for easy access to lap and split times, an occasion mode to set reminders for birthdays, anniversaries, holidays and appointments, and all-day white reflector display. Sport timing functions include:

• 100-hour chronograph with lap or split option in large digits
• 30-lap memory recall
• 2-mode countdown timer
• Forward or backward setting
• Built-in setting reminders

The Indiglo night-light uniformly lights the surface of the watch dial using patented blue electroluminescent lighting technology. It uses less battery power than most other watch illumination systems, enabling your watch battery to last longer.