A field watch is one of those timepieces that seems to work for any guy. Maybe because of the long-standing military origins. These are watches built to withstand battle, which translates to top-notch quality and functionality for everyday use. There's a rugged, honest appeal to them, too. They omit the standard leather or bracelet bands for hard-wearing and washable nylon. They've got easy-to-read faces and the timeless design means that you will likely have this watch for years—decades even. Which means it might be worth investing in. As for how much you'd like to spend, that's entirely up to you. We've rated three solid buys, in a range of price points, to help you out.