World-time watches—the timepieces that display the hour in more than one time zone—are the best way to subtly signify that you’re a man who is going places. Our favorites make the connection between two other important trends: sporty styling and heritage branding. White metal cases and black dials and bezels that lend a touch of ruggedness are easily dressed up for the office with elegant vintage dials and fine leather straps. And did we mention that among the watch cognoscenti, the more complications a watch has, the cooler it looks?