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vivoactive 3 music vs forerunner 645 music

Former Member
Former Member
Was hoping someone could tell me what the main differences are between these model watches.. I couldn't find a comparison anywhere online.. Want to buy one in the next few days but not sure which model to get. Main use will be walking, trekking, swimming and weight training.

Thanks
  • There are a number of things the 645 can do that the va3/3m can't like access the Running Dynamics pod, and there's also some additional running related metrics. If I recall, the va3/3m can use bike power sensors either.

    Best thing to do is check out a comparison chart of features. DCR probably has something like that on his site.
  • In addition to the features noted above - the VA3 Music has Golf. The 645 Music has an audible beep not just a vibration for an alert. The VA3 Music no longer has a stainless steel bezel which the 645 has. Of course there is always the cost difference.