The DX3 Field offers classic design, a U.S. Patented durable fiber reinforced poly-resin case and a long list of performance features. Including a hardened mineral glass crystal, offset ergonomic crown, long lasting all-metal precision movement, 3 year battery, U.S. Patented heavy-duty DX3 Zulu B-TYPE nylon webbing band, and Swiss super luminous hands. The hands are treated with high performance Swiss Super Luminous material that will intensely glow for hours based on exposure to sunlight or indoor lighting... not requiring a button push (a weak point), and will not deplete battery or require two hand operation, standard luminous material on the dial hour markers.