Casio ProTrek PRT-500 

User manual is located online here:

 http://mygshock.com/casio-manual/1376/

100m Water Resistant

Auto-light switch, Twincept display function

Low temperature resistant (-20°C/-4°F)

Altimeter

Target altitude alarm

Altitude tendency graph

Atmospheric pressure tendency graph

 Thermometer

 EEPROM function

 1/100th second stopwatch

 Backlight

Fully working condition. 

Stainless steel 1 piece adjustable strap.

minor paint loss to case 

crystal is scratch free 

(see photos for details).

  The photos are of the actual item that you will receive.