Once you've worn it, you can't take it off, and 6 practical recommended outdoor watches, including: If you have one, your mountain climbing changes depending on whether you have one
CASIO , SUUNTO , to Choose a Watch , Garmin , Apple , COROS , Introduction to Mountain Climbing , Recommended
Written by Yasushi Hisatomi
![[We asked an expert] How to walk using the PRO TREK Smart WSD-F21HR, which can measure your heart rate, to help you improve your endurance without fatigue?](https://outdoorgearzine.com/wp-content/uploads/wsdf21hr_2_catch.jpg "[We asked an expert] How to walk using the PRO TREK Smart WSD-F21HR, which can measure your heart rate, to help you improve your endurance without fatigue?")
![Purchase Guide: After trying out all CASIO, GARMIN, and EPSON, we found out the best solution for outdoor watches with GPS for each purpose [Part 2]](https://outdoorgearzine.com/wp-content/uploads/O9A0560-1024x576.jpg "Purchase Guide: After trying out all CASIO, GARMIN, and EPSON, we found out the best solution for outdoor watches with GPS for each purpose [Part 2]")
![Purchase Guide: After trying out all CASIO, GARMIN, and EPSON, we found out the best solution for outdoor watches with GPS for each purpose [Part 1]](https://outdoorgearzine.com/wp-content/uploads/O9A0539-1024x576.jpg "Purchase Guide: After trying out all CASIO, GARMIN, and EPSON, we found out the best solution for outdoor watches with GPS for each purpose [Part 1]")
