Casio PRW-3500SYT-1DR Protrek Watch

PRO TREK will blend in the PRW-3500 with the color of the mysterious sky that will appear on the horizon before sunset. The blue sky bezel is equipped with a titanium strap and a sapphire glass mirror. The exterior is both tough and durable. The series is equipped with the third generation of three sensors, MULTIBAND 6, TOUGH MOVEMENT and other functions to adapt to a variety of outdoor environments.

• Case / Bezel Material: Resin / Stainless Steel 
• Titanium alloy strap
• Black ion IP processing
• Solar power
• Waterproof 200 meters
• High brightness LED lighting
• Low temperature resistant device (-10°C/14°F)
• Radio wave receiving function: automatic signal receiving (up to 6 times per day, no longer received after receiving success; 
• receiving signals from China, receiving 5 times a day) / manual signal receiving 
• <China> receiving radio wave: BPC, frequency: 68.5kHz 
• <Japan >Receiving radio wave: JJY, frequency: 40kHz/60kHz (corresponding models of Fukushima/Kyushu two launchers) 
• <North America> Received radio wave: WWVB, frequency: 60kHz 
• <European region> Received radio wave: MSF/DCF77, frequency: 60kHz/ 77.5kHz 
• * When the local time is set to the city that can receive the signal, receive the radio wave suitable for the launch pad of the city. 
• The time difference is automatically set according to the selected city.
• Digital Compass: 
• 16-Azimuth Measurement and Display 
• Measurement Range: 0°~ 359° 
• Unit of Measurement: 1° 
• Continuous Measurement (60-second continuous automatic detection) 
• Direction indication 
• Bidirectional correction and north correction 
• geomagnetic declination correction 
• memory elimination
• Height measurement 
• range: -700~10,000m (-2,300~32,800ft.) 
• Unit: 1m (5 ft.) 
• Manual memory measurement (up to 30 strokes, each containing height, date and time) 
• Automatic memory measurement (including maximum/minimum Height, cumulative increase/cumulative drop height) 
• Road log value (up to 14 strokes, each containing maximum/minimum height, cumulative increase/accumulated drop height, date and time) 
• Other: relative height (-3,000~3,000m) 
• selection Measurement spacing: 5 seconds or 2 minutes 
• * 1 second only in the first 3 minutes of measurement 
• * meter (m) and inch (ft.) switching
• Air pressure measurement 
• range: 260~1,100 hPa (7.65~32.45 inHg) 
• Unit: 1 hPa (0.05 inHg) Air　
• pressure trend graph (past 42 hours) 
• Air pressure difference map 
• Instant climate change warning 
• *hPa and inHg switching
• Temperature measurement 
• range: -10~60°C (14~140 °F) 
• Unit: 0.1°C (0.2°F) 
• *°C and °F switching
• World Time 
• 31 Time Zone (48 cities), city code display, daylight saving time (on/off)
• Sunrise/sunset time indication
• 1/10 second code meter 
• measurement range: 999:59’59.9″ 
• measurement mode: elapsed time, halfway time, first and second time difference
• Countdown 
• measurement unit: 1 second 
• measurement range: 24 hours 
• start time setting range: 1 minute ~ 24 hours
• 5 independent alarms (including a group of snooze alarms)
• report punctually
• Power indicator
• Power saving function (when entering the dark state, the watch will automatically turn off the screen display)
• Fully automatic calendar (~2099)
• 12/24 hour switching