Garmin Forerunner 645 GPS Running Watch with Music Storage

Garmin Forerunner 645 GPS Running Watch with Music Storage
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or 6 Easy Pays of $75.00

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Hit the ground running when it comes to tracking your day to day fitness with the Garmin Forerunner 645 running watch. Need extra motivation when you lace 'em up for a run? This watch can store up to 500 of your favorite running songs--and it includes advanced running dynamics and performance-monitoring tools. From Garmin.

  • Includes Forerunner 645 smartwatch and charging cable
  • 1.2"Diam transflective touchscreen display
  • Built-in Wi-Fi
  • Bluetooth wireless technology
  • Displays date and time, steps taken, distance traveled, calories burned, floors climbed, intensity minutes, fitness age
  • Move IQ automatic tracking
  • Daily step goals
  • Movement reminders
  • Running/gym/training and planning/outdoor recreation/cycling/swimming apps
  • GPS with time sync
  • Sleep monitor with alarm
  • Smart notifications with vibration alerts
  • Find My Phone feature
  • VIRB remote
  • Stores up to 500 songs
  • Music player controls
  • Water-resistant up to 5ATM
  • Garmin Elevate wrist heart rate monitor
  • Barometric altimeter
  • Compatible with Garmin Connect Mobile and Garmin Pay
  • Approximate measurements: Watch 1-3/4" x 1-3/4" x 1/2"; fits wrists with 5" to 8-1/8" circumference
  • 1-year Limited Manufacturer's Warranty
  • Imported

Delivery Date Estimate

Reviews & Community QA

Garmin Forerunner 645 GPS Running Watch with Music Storage is rated 3.7 out of 5 by 90.
Rated 4 out of 5 by from Great features and yet weak battery? I bought in April 2018 and it works with no problem - maps my trail runs, reads my sleep cycles, stress levels, plays music, shows messages and reminders, incoming calls. Also love that I do not have to pick up my phone and check messages on the watch. I love all it but after few months of using it (mostly for every day use of getting to work, sleep schedules etc.) I noticed that it requires recharging every 1,5 day and when asking at the shop it should be 7 days, which required doing it mostly with a power bank during driving or sitting somewhere with a power bank which tied my in place. Some minor connection issues with phone occur rarely but that does not make any problems. Also - although Latvia is a small country there are other models and watches from other companies which have all the letters of Latvian alphabet and so some times I cannot clearly read what I received to my phone. After giving the watch to the guarantee - received a new watch and now checking how often I have to charge this one. The alphabet issue received a reply - will have to wait for an update to fix this issue.
Date published: 2018-10-13
Rated 2 out of 5 by from Not tech savvy and horrible music download Bet horrible music download abilities and limited tech savvyness. I like the metrics the watch is able to provide regarding LT and heart rate.
Date published: 2018-09-25
Rated 5 out of 5 by from Love it for New Runner Not sure I know how to use everything yet, but already compared to my Apple Watch, I am amazed. I was able to download a training plan directly to the watch from Garmin Connect and out the door with no iPhone. I do wish my current headphones did not drop out (only with the watch on my left wrist).
Date published: 2018-09-20
Rated 4 out of 5 by from Overall Good - Had a problem Watch looks good, apps are steady, feels great on the arm, while setting up the watch even before doing any sport: the "up" button got different from the rest of the buttons, the pressure used for this one is different, it is as if the button has lost the spring that places it back to the unpressed position. I would hope for this behaviour after a few weeks or months of use, maybe years(?) not the first hour…anyway, if been having fun with it, it is my running companion. No problem with music or headphones, everything works.
Date published: 2018-09-13
Rated 2 out of 5 by from poor build quality I was upset immediately after the purchase. one of the buttons crunches and works badly. Smart watches are more expensive than the apple watch, and quality control is very poor.
Date published: 2018-09-09
Rated 2 out of 5 by from Just ok The Bluetooth connection isn’t great. I think I prefer the Apple Watch.
Date published: 2018-08-29
Rated 4 out of 5 by from Great GPS watch but problems in Singapore I bought this one after the 620 and the 630 Forerunners previously and it's a great development of that range. The non-touch screen is definitely better than the 630 approach (though I loved that at the time). Screen is also really bright. Problem is that neither Garmin Pay or the music service are well-supported in Singapore. Garmin Pay only with OCBC bank and music only by copying music files across (does anyone have "music files"these days?) with no streaming services supported. iHeartRadio app not available in Singapore, for example. No Spotify or even Deezer. Hopefully in time these things will change as Garmin seems to be building its presence here.
Date published: 2018-08-17
Rated 1 out of 5 by from can't get to sync or record sleep Bought this last week. Can get it to record my runs but it won't synch. I wear it at night but it won't record my sleep. Looks great though. Like the size and feel. Recorded my run and seems accurate. But it was purchased to dovetail with Training peaks which is impossible so far. Disappointing. Frustrating.
Date published: 2018-08-13
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