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  • Specifications
    Screen Size
    44 millimeters
    Touch Screen
    Yes
    Operating System Compatibility
    Android
    Operating System
    Android
    App Compatible
    Yes
    Carrier
    Unlocked

Samsung - Galaxy Watch4 Aluminum Smartwatch 44mm BT - Black

Model:SM-R870NZKAXAA
SKU:6464594
Your price for this item is $223.99
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Screen Size

44mm
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Color

Black - Aluminum - Sport Band - Black
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Reviews

Rating 4.6 out of 5 stars with 2598 reviews

Rating by feature

  • Rating 4.3 out of 5 stars

  • Rating 4.6 out of 5 stars

  • Rating 4.7 out of 5 stars

23 expert reviews

Expert rating, 3.9 out of 5 stars with 23 reviews.

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94%would recommend to a friend

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The vast majority of our reviews come from verified purchases. Reviews from customers may include My Best Buy members, employees, and Tech Insider Network members (as tagged). Select reviewers may receive discounted products, promotional considerations or entries into drawings for honest, helpful reviews.

  • Rated 5 out of 5 stars

    Wear OS and Tizen is a dream

    This is the first watch to come with Wear 3, the unified platform from Google+Fitbit and Samsung. The goal was to merge Google's large app ecosystem with Samsung's performance and battery life, plus Fitbit's health capabilities. After using this watch for a few days, I can finally say I don't really miss my Apple Watch from when I used iPhone. First off, the design. This watch is light, but feels super premium and holds up well. For an aluminum build, this feels much more expensive then that. It's super smooth and looks well polished. I've taken the watch tubing down a river, dirt road biking, and of course through everyday work life, and the watch doesn't even show a scratch. The performance of this watch is pretty fast. Everything loads WAY faster then my previous Wear 4100 powered Wear 2 watch, and that's even with the pleasing animations of the watch faces and tiles widgets. The only thing that has a notable delay is pulling up Samsung Pay, which even then is around a 0.5 second wait. Battery life is around 2 days when I'm pushing it with GPS tracking and always on workout display, I can get 3 days when not using the GPS. I haven't used a Wear OS watch that's actually lasted more then 24 hours so this was pretty impressive for me, but coming from Tizen watches this might be a little downgrade. Finally, the software. The one downside to previous Samsung Wearables was the lack of apps in the Galaxy Store. The problem with Wear OS was lackluster performance and battery. Imagine a software solution where neither of those is a problem. This is what the new Wear 3 is like. You have full access to the Google Play store from this watch, which has WAYYYY more apps then the Galaxy Store. Then you have a familiar UI that looks just like, and performs just as fast as, Tizen. You also get a fast watch that has good battery life too. I really have zero complaints with this watch. While I have no concerns, there still might be a few things you want to consider, as these might affect you. -Currently, you can't switch Bixby for Google Assistant. Samsung says it's coming soon. In the meantime, Bixby works well enough. -ECG is only available when paired with a Samsung phone. Not a selling point for me, my old Galaxy Watch 3 never actually let me use this feature because I'm too young anyways, haha. -Due to the OS switch, the Galaxy Watch 4 series is not compatible with iPhone. If you have an Android phone, this watch is the best you can get for now regardless of what you want from your smartwatch. As more manufacturers release Wear 3 powered watches, this may possibly change, but seeing how no one else has even rumored a Wear 3 watch yet, that might be a long time away.

    Posted by SeaboundAvian

  • Rated 5 out of 5 stars

    One of the Best Android Smart Watch

    Amazing value for all the features. For me this is the first proper smart watch for Android. Anything below this is not worth it and even v5 does bring much extra, so this is the best value for what you get. I've been using for quite some time and I'm really happy with it. Great performance, features and durability. Totally recommended. I have a Samsung phone tho, don't really know how good will work with other android phones.

    Posted by Adrian

  • Rated 5 out of 5 stars

    If youre a samsung user: must have

    First time smart watch purchase. Especially during promo season these are a 100% must have for your ecosystem. The UI is smooth, the functionality is absurd, and the customization options really make the watch your own!

    Posted by Abcd

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