The Seiko Astron GPS Solar is a globetrotter's dream. It's smart enough to know where it is at any moment. When you're stepping off the plane in a new time zone (and even when you're not), the watch receives a signal from four or more orbiting satellites and syncs the time to atomic clock precision. [$2,300; seikousa.com]
Action-Packed Summer Trips
Race Dune Buggies, Explore Italy, Bike Yellowstone
Plus: Fighting Poachers and Oil Companies in Congo
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Nick Offerman's Life Advice
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