Casio ProTrek PRW-5000Y-1

Casio ProTrek PRW-5000Y-1

Casio ProTrek PRW-5000Y-1 Watch     Photo: Courtesy of Casio

There's a lot going on here, but spend a few hours with the manual and your investment will be returned. Not only does the ProTrek power itself from the sun and use atomic clocks to stay ultraprecise; its second hand does triple duty as a compass needle or altimeter/barometer/thermometer pointer.

TAGS: WEATHER TOOL, SOLAR

Brand: Casio $480

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