Customer reviews from Garmin
Garmin - Forerunner 645 Music GPS Heart Rate Monitor Running Watch - Black
Average customer rating
3.8 out of 5
3.8
(134 Reviews)
Open Ratings Snapshot
Rating breakdown 134 reviews
5 Stars
56
4 Stars
30
3 Stars
23
2 Stars
12
1 Star
13
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Customer Reviews for Garmin - Forerunner 645 Music GPS Heart Rate Monitor Running Watch - Black
Customer Rating
3 out of 5
3
excellent watch
on June 15, 2018
Posted by: alexjoe6008
I love all garmin models I've been using them for 5 years. and I always try to have the best of the line. with the 645music I said they ate it, everything Perfect until you get to the track, it becomes erratic where it is supposed to mark 1000 meters it marks me 1060 meters and so on it is the only complaint of the rest A +
Response from GarminBy Joey with GarminFitness Product Support July 23, 2018
Hello alexjoe6008,

Thanks for taking time to review the Forerunner 645 Music. We are glad to see that overall you are enjoying your device. We wanted to reach out regarding the distance reading you are seeing while running on a track. There are chances for some inaccurate GPS distance when running on a track due to the location of the satellites in the sky as the move compared to you staying in relatively the same location. A couple recommendations would be to try and stay in one single lane while running and ensure you have a 3D satellite signal prior to starting the timer. You can do this by waiting about 30 seconds after the device reports acquiring a signal. Waiting the extra times ensure that you have a full 3D lock on the satellites.

Thanks again for posting your review.
Written by a customer while visiting Garmin
Customer Rating
3 out of 5
3
Good but not great
on June 15, 2018
Posted by: Yojack
Music transfer with the Garmin Express app does not work. After playing several songs, the watch software freezes and has to be power cycled to resume function. Technical service has been responsive, but has not fixed yet.
Response from GarminBy Joey with GarminFitness Product SupportJuly 23, 2018
Hi Yojack,

Thanks for taking time to post a review of the Forerunner 645 Music. We are sorry to set that you are having trouble syncing music with your watch. We are glad to see that you are in contact with our Product Support team. Please use the following link to our Support Center to find more information about using Garmin Express to sync music:

https://support.garmin.com/en-US/?productID=612476&tab=topics&topicTag=region_music

Thanks again for posting your review.
Written by a customer while visiting Garmin
Customer Rating
3 out of 5
3
Great smart watch
on June 15, 2018
Posted by: Ericsb
To begin, I’ve been running with Garmin watches for over 7 years now. I use them mostly for running, but I cycle, mountain bike and swim to cross train. When this watch came out I was very excited that I’d be able to listen to music wirelessly without having to carry a phone. When I got the watch and tried it out during a run, everything worked flawlessly and still does now. The battery life is pretty good(will last around 5 days with using gps approx. 3-4 hours) and it does charge very fast.
The options in this watch are pretty endless. You can download different apps and change a lot of the preferences to personalize it the way you like. The one thing I did find useless was the Garmin Pay. The fact that you have to enter in a code before you use the card doesn’t make it quick at all. As of now, it doesn’t support every credit card handler too, so it’s very limited for what you can put on there for a card. The idea is great, it just needs to be easier to use.
For the GPS part of the watch, I did notice it’s not as accurate as my last Garmin watches. I’ve been on runs with groups and it’s been off over a tenth to a quarter of a mile before. I’ve also noticed it’s not as stable with pace as my Fenix 3 is. The pace tends to dip and spike a lot when I know I’m running a steady pace at those times.
Overall I do like the fact that this is a watch that you can use for everything, I just feel like these new watches are geared more as a “smart watch” and the gps technology has just stayed the same.
Response from GarminBy Joey with GarminFitness Product SupportJuly 23, 2018
Hello Ericsb,

Thanks for taking time to review the Forerunner 645. We appreciate your feedback. We wanted to reach out and address the concern that you had about entering the pin when accessing Garmin Pay. The pin is required as a security feature. This would prevent someone from obtaining your watch and using it to purchase things. The pin is only required once every 24 hours or whenever the optical heart rate sensor detects that the watch is off-wrist. We continue to work with banks to get them to support Garmin Pay. You can visit www.garmin.com/garminpay/banks to find a list of banks that gets updated in real time as more banks are added.

Thanks again for posting your review.
Written by a customer while visiting Garmin
Customer Rating
5 out of 5
5
I love this running watch!!!
on June 15, 2018
Posted by: Cajunrunner
I bought this watch in March and have used it for the past 3 months. I love the way it look. I am a petite female with a small wrist. So it looks much better than the FR235 that I was using. My runs are accurate. I like that I can create a workout in the app and send to my watch. I have worn this watch everyday since I got it 24/7. I have a few minor scratches on the silver part, but no scratches on the screen. And I have hit it a couple times on the molding of doors. Screen seems to be holding up very well. I do use the Garmin HRM chest strap
with it. I like the added features. I have been working to improve my VO2 max and Lactate Threshold. Using the watch and paying attention to the heart rate and pace have helped out. Occasionally I will go on a run and my heat rate will cut out and than reconnect. But if this happens on my next run I make sure to tighten it the strap up which fixes it. i have been able to load music. I could not get it to show playlist through iTunes from Garmin express. I could see my songs but not a playlist I made. I use windows media player instead. I make the playlist in media player. Then when I go to Garmin express and then music, the playlist is there. Yes battery life is not the best, but it’s about what you would get with all other competitors. When I take a shower I charge it and this always keeps me charged up.
If you are looking for a running watch that finally is nice to look at, that can help you accomplish your running PRs then this is the watch for you. Only complaint I have is I have an iPhone and I wish I could respond back to a text. Even just the basic stuff. I am in the medical field and this would be very useful when I am with a patient. That is literally the only thing I don’t like. But hopefully Garmin is trying to fix this.
Written by a customer while visiting Garmin
Customer Rating
1 out of 5
1
Bluetooth connection
on June 15, 2018
Posted by: Tomer
I love the watch and its features, running stats are great and the GPS works good, I love the music feature but every time I go for a run im getting disappointed all over again
Response from GarminBy Joey with GarminFitness Product SupportJuly 23, 2018
Hello Tomer,

Thanks for posting your review. We are sorry to see that you are having issues with the Bluetooth connection. From what you described it sounds like you may be having an issue with the connection between your watch and the headphone. Please use the following Support Center FAQ link for some suggestions to improve the connection between your headphones and watch:

https://support.garmin.com/en-US/?faq=7OYxHMfuVg1pLs5PUUQYI8&productID=612476&tab=topics&topicTag=region_music

Thanks again for posting your review.
Written by a customer while visiting Garmin
Customer Rating
5 out of 5
5
I am very happy with this watch
on June 15, 2018
Posted by: Kwood
I really enjoy this watch. Running with my music was never so easy. I only wish that it had longer battery life; as it won't make it through my marathon.
Written by a customer while visiting Garmin
Customer Rating
5 out of 5
5
Love it... But link to spotify app!!!
on June 15, 2018
Posted by: Sum77
Please please allow downloading from Spotify to play music on watch.
Written by a customer while visiting Garmin
Customer Rating
5 out of 5
5
Fantastic!
on June 15, 2018
Posted by: Emdeedub
Truly great watch for running and other sports with perfect smartwatch features. Music works great. GPS is accurate. Great watch! Highly recommended.
Written by a customer while visiting Garmin
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