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]
Style & Design 2014
Tech, Tools, Toys & the Hottest New Gear
Plus: When to Say No to Your Doctor
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