Originally Posted by CoachDavidShen
GPS is pretty hard to get right on the wrist. but i have found the 910XT to be pretty good. but i swim mostly with the FINIS Swimsense which gives slightly better stats.
also the 910XT can do all the running and biking stats you want. I would also add power to biking, assuming thats what you meant by pedaling effort. it can also do heart rate for biking and running but not swimming...
Thanks for the professional opinion.