The Limited Edition Running The Sahara Chronograph from EPMartin celebrates the achievement of Charlie Engle, Ray Zahab and Kevin Lin. They ran for H20 Africa, an organization saving millions of lives by bringing clean water to the continent, and they ran for themselves, individuals obsessed with pushing the threshold of the human psyche. Two truly profound causes. A larger portion of the purchase price from this watch goes directly to H20 Africa. This limited edition model comes equipped with an ETA Swiss chronograph movement, Italian leather strap, a second Nylon expedition strap, custom strap replacement tools -packaged in a limited edition leather case.