A watch "complication" is any function beyond telling time, such as indicating the date. The Breva Génie 01 is quite complicated, featuring an altimeter, barometer, and power reserve in its dial. It's all done via sensitive capsules that detect small changes in air pressure and transmit the info via gears to the scales on the dial. [From $150,000; breva-watch.com]
The 2014 Adventure Issue
From Iceland's Highway 1 to Utah's Canyonlands, an epic itinerary for modern explorers.
Plus: Building a Bigger Action Hero
ON NEWSSTANDS NOW
Duke Lacrosse and the Fog of Scandal
How Thailand's Most Notorious Prison Became a Fight Club
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