The Rolex Milgauss is a sleek timepiece with an even slicker second-hand. The lightning shaped second-hand represents the electromagnetic resistance that the Milgauss was designed for, ranging from aerospace to heavy trekking along with many industrial environments that cause magnetic shifts. The green tinted sapphire makes it unique and was among the first to revolutionize the use of colored crystal. As sleek as it looks, the Milgauss is designed for some of the toughest environments on land and air. Milgauss actually stands for Measurements of 1/1000 of the Tesla. You can check out more of the details here.