Manufacturer Model No. PRW2500B-3
CASIO's Outdoorsman's watch featuring Triple Sensor Technology (Compass, Altimeter & Barometer), Tough Solar Power & Multi- Band 6 Atomic Timekeeping
Introducing the new Pro Trek PRW2500, a high performance tool developed under the supervision of meteorologists to take on challenging environments. Like all triple sensor Pro Trek models, the PRW2500 features easy-one-tough operation of its Altimeter/Barometer, Compass and Thermometer. A reconfigured duplex LCD layout provides optimal upper & lower LCD layout for information at-a-glance when you're on the go. In addition to numerical and trend graph data, unique arrow icons help to indicate characteristic barometric pressure patterns. 200 meter water resistance has also been employed to ensure strong water resistance for river trekking & rafting where one would encounter strong water pressure. The addition of tide & moon graph/data provides convenient information for sea kayaking and fishing. Black resin band digital watch with neutral face.
Features
Multi-Band Atomic Timekeeping (US, UK, Germany, Japan, China 
Receives time calibration radio signals which keep the displayed time accurate. 
Auto receive function (up to 6 times per day) 
Manual receive function 
Signal: US WWVB, UK MSF, Germany DCF77, Japan JJY40/JJY60, China BPC 
Frequency: US 60kHz, UK 60kHz, Germany 77.5kHz, Japan 40/60kHz, China BPC 68.5kHz
Tough Solar Power
200M Water Resistant
Duplex LC Display
Tide Graph (tide level for specific date and time)
Moon Data (moon age of the specific date and moon phase graph)
Digital Compass 
Measures and displays direction as one of 16 points 
Measuring range: 0 to 359 degrees 
Measuring unit: 1 degree 
20 seconds continuous measurement 
Graphic direction pointer 
Bidirectional calibration and northerly calibration function 
Magnetic declination correction 
Bearing memory