Oris Altimeter Rega Limited Edition Watch
The Altimeter Rega Limited Edition ($3,850) is the world’s first self-winding watch—no batteries required—with a mechanical altimeter. A sensitive alloy capsule reacts to minute changes in air pressure to display altitude up to 15,000 feet. The back also features an engraving that pays tribute to the Rega, Swizerland's mountain rescue team.
Oris only produced 1,414 of these watches, which is a nod to the emergency hotline number to call next time you’re stranded on the Eiger.