Innovation Against the Current The Milgauss was created in 1956 for scientists and engineers working in environments with strong magnetic fields. Its namederived frommille(thousand) andgauss(a unit of magnetic flux)reflects its resistance to magnetic interference. With its distinctive lightning-bolt seconds hand, the Milgauss is a symbol of scientific progress and Rolex ingenuity. Magnetic Personality This 2008 Rolex Certified Pre-Owned Milgauss, reference 116400, features a 40mm Oystersteel case and black dial. Powered by the calibre 3131 automatic movement, it offers a 48-hour power reserve and magnetic resistance up to 1, 000 gauss. The Easylink Oysterclasp ensures a comfortable fit, while the smooth bezel and clean lines give it a modern, technical aesthetic.