1 min read T HE NEW GENERATION of field watches is tougher and smarter than ever. Some run on light. Others thrive underwater in the dark. And they’re all built to go anywhere. Solar Watches Courtesy of Victorinox. Getty Images. MH Illustration. Victorinox Concept One Automatic Credit: Courtesy of Victorinox The Swiss brand’s light-powered watch houses technology that runs for months on solar energy alone. The case and bezel are durable stainless steel. The features on the face glow in the dark. And the whole thing is comfortable and lightweight on the wrist. Citizen Promaster Land GMT Now 20% Off Credit: Michael Molkenthin Fueled by any light source, this Eco-Drive workhorse never needs a new battery. A scratch-resistant sapphire crystal cuts glare in bright light, and the rugged steel case with a fabric strap makes it ready for pretty much anything.…