Amazon offers the Casio Men's Pro Trek Aviator Digital Solar Watch
in Blue, model no. PRG-270-2CR , for $99.64
with free shipping
. That's the lowest total price we could find for this watch in any color by $19, although we saw it in another color for $21 less in December. It features a resin case and band, digital compass, barometer, altimeter, thermometer, alarm, sunrise/sunset data, countdown timer, stopwatch, day and date display, world-time display, solar battery, quartz movement, and water resistance to 330 feet.