"The Timex Expedition Field Chrono draws design inspiration from vintage military watches. The unique dial features numerals in increments of five up to 60 and three sub-dials that track minutes, seconds, and 1/20 of a second for up to 30 minutes. An easy to operate date window is located at 4 o'clock. With the Quick Date function, you can set the date on the watch without turning the crown for every 24-hour period. Just pull the stem halfway out, and turn until desired date is reached. It also offers water resistance to 330 feet (100 meters) and a durable leather strap. 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." From the hiking trail to the top of the mountain, you're free to explore with this tactical field watch rugged enough to handle whatever life throws your way.