The Swiss Military SMS34113.01 is a Swiss Military Solar Chronograph that eliminates the need for battery changes. Powered entirely by light, it delivers continuous performance without replacements. Featuring a black sunray dial with luminous hands and markers, this Swiss Solar Powered Chronograph offers excellent readability and timeless style.The 42 mm stainless steel case and matching bracelet provide durability with a refined look. In addition, the scratch-resistant sapphire crystal protects the dial, while the unidirectional rotating bezel emphasizes its sporty design. Moreover, the black dial and steel combination make this watch versatile for both business and casual settings.Inside, this Swiss Military Solar Watch converts natural and artificial light into energy.