Designed for active, outdoor lifestyles as well as the rigors of harsh urban. landscapes. the. full sized Timex T40941 Expedition digital watch adds a stylish yet rugged complement to your everyday wear. It features a large, round resin watch case with a dark gray top ring and a durable resin strap with buckle fastener. Timing features include a 100 hour chronograph with lap or split options, 99 lap counter, 24 hour countdown timer, and second time zone with date. It also offers three alarms with daily, weekday, and weekend options, and water resistance to 100 meters 330 feet.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.