• These are the latest additions to the Casio lineup of Tough Solar watches that eliminate the need for battery replacements.
• Wave Ceptor technology is the most powerful tool you will ever wear on your wrist. It ensures absolute accuracy to the second.
• A digital face allows display of Time, Day/Date, Alarm time and Stopwatch elapsed time and more. A Full Auto LED illuminates the digital display for easy reading of the time and other data in the dark.
• A strong stainless steel and black bezel set with function buttons, the face is set back into to watches bezel to protect from knocks. A tough resin case and strap with a strong safety fold over fastener..
• Comes neatly presented in a CASIO presentation case and box.
• Features:
• DCF/MSF/WWVB/JJY radio signal receiver.
• Full Auto EL Backlight
• Solar Power
• Barometic Pressure Measurement
• Temperature Measurement
• 10,000m Altimeter
• Stopwatch function (1/100 - 24HR)
• Countdown Timer
• 5 Daily Alarms..The daily alarm reminds you about recurring events with  an acoustic signal at the time you have set. You can also activate hourly time signal that  indicates each full hour.
• Compass.
• Height Gain meters you have climbed. 
• World Time 29 time zones (30 cities), city code display, daylight saving on/off.
• Full Auto Calendar.
• 12/24-hour Timekeeping.
• Battery Level Indicator
• Mineral Glass
• Water resistance classification (10 bar / 100m)
• Accuracy +/- 15 seconds per month
• Approximate Dimensions  47mm x 47mm x 10mm (H x W x D)
• Time Calibration Signals     Station name: DCF77   (Mainflingen, Germany) Frequency: 77.5 kHz  Range: Approx. 1500km
• Station name: MSF (Rugby, England)  Frequency:60.0 kHz Range: Approx 1,500km
• Station name: WWVB (Fort Collins, Colorado USA) Frequency: 60.0 kHz Range: Approx. 2000 miles
• Station name: JJY (Fukushima, Fukuoka/Saga, Japan) Frequency: 40.0 kHz (Fukushima)/ 60.0 kHz (Fukuoka/Saga) Range: Approx. 1000km Other: Transmitter selection
• Time calibration signal reception Auto receive 2.00 AM (Under weak signal conditions, auto receive may be performed up to five additional times)
• Manual receive
• Last time received display
• Measuring Capacity:     23:59'59.99''
• Battery type Battery operating time: Approx. 5 months on rechargeable battery (operation period with normal use without exposure to light after charge)
• Digital Compass 20 seconds continuous measurement. Measuring range: 0 to 359° Measuring unit:1°. Graphic direction pointer. Measures and displays direction as one of 16 points
• Measuring Modes:     Elapsed time, split times, 1st-2nd place times.
• Thermometer     Display unit: 0.1°C (0.2°F) Display range: -10 to 60° C (14 to 140°F)
• Altimeter Measuring range: -700 to 10,000m (-2,300 to 32,800 ft) Measuring unit: 5m (20 ft)
• High altitude / Low altitude memory. Cumulative & Total ascent/descent memory. Relative altitude.
• Accuracy:     ± 20 seconds per month (with no signal calibration)
• Barometer     Display range: 260 hPa to 1,100 hPa (7.65 inHg to 32.45 inHg)
• Atmospheric pressure tendency graph
• Atmospheric pressure differential graphic Display unit: 1 hPa (0.05 inHg)
• Power Saving     automatically disables LCD if the
• Regular timekeeping     Hour, minutes, seconds, pm, month, date.
• Instruction Manual.
• 2 Years Manufacturers Warranty: