48-Hour Flash SaleEnds Tuesday. Limited quantities. No rainchecks.Shop now

Skip to contentGo to Product SearchGo to Footer
Main Content

Customer Ratings & Reviews

No content
  • Front. Samsung - Galaxy Watch3 Smartwatch 45mm Stainless BT - Mystic Black.
  • Angle. Samsung - Galaxy Watch3 Smartwatch 45mm Stainless BT - Mystic Black.
  • Left. Samsung - Galaxy Watch3 Smartwatch 45mm Stainless BT - Mystic Black.
  • Alt View 12. Samsung - Galaxy Watch3 Smartwatch 45mm Stainless BT - Mystic Black.
  • Alt View 14. Samsung - Galaxy Watch3 Smartwatch 45mm Stainless BT - Mystic Black.
  • Alt View 15. Samsung - Galaxy Watch3 Smartwatch 45mm Stainless BT - Mystic Black.
  • Alt View 17. Samsung - Galaxy Watch3 Smartwatch 45mm Stainless BT - Mystic Black.
  • Alt View 18. Samsung - Galaxy Watch3 Smartwatch 45mm Stainless BT - Mystic Black.
  • Alt View 19. Samsung - Galaxy Watch3 Smartwatch 45mm Stainless BT - Mystic Black.
  • Alt View 20. Samsung - Galaxy Watch3 Smartwatch 45mm Stainless BT - Mystic Black.

Samsung - Galaxy Watch3 Smartwatch 45mm Stainless BT - Mystic Black - (2020)

Model:
SM-R840NZKAXAR
SKU:
6418306
Highly rated by customers for:
Your price for this item is $236.99
Clearance
The comparable value price is $429.99

Customer reviews

Rating 4.7 out of 5 stars with 2121 reviews

Rating Filter

Rating by feature

  • Battery Life

    Rating 4.6 out of 5 stars

  • Durability

    Rating 4.7 out of 5 stars

  • Comfort

    Rating 4.8 out of 5 stars

Pros mentioned filter

Cons mentioned filter

95%would recommend to a friend

Customers are saying

Customers admire the Galaxy Watch3 Smartwatch for its long battery life, elegant design, user-friendly interface, and compatibility with various devices. They appreciate the health monitoring features that help them stay active. However, some customers have concerns about the leather band, Bixby's capabilities, the size of the watch, the accuracy of the heart rate monitor, and the water resistance.

This summary was generated by AI based on customer reviews.

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.
Page 61 Showing 1,201-1,220 of 2,120 reviews

  • The best!

    |
    |
    Posted . Owned for 1 week when reviewed.
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    Bought this as a gift for my Boyfriend and he absolutely likes it! He likes the smoothness of the OS and it looks manly!

    I would recommend this to a friend

  • My husband love it

    |
    |
    Posted . Owned for 3 weeks when reviewed.
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    I bought this for my husband birthday and My husband love it, he sleeps in I can not get him to take it off

    I would recommend this to a friend

  • Samsung watch

    |
    |
    Posted . Owned for 1 month when reviewed.
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    This watch is a nice update from the gear s3 has better battery life and a better ui definitely recommend it.

    This review is from Samsung - Galaxy Watch3 Smartwatch 45mm Stainless BT - Mystic Silver - (2020)

    I would recommend this to a friend

  • samsung

    |
    |
    Posted . Owned for 1 year when reviewed.
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    i love this watch 3 from samsung. I wear it all days for my daily activities

    I would recommend this to a friend

  • Awesome

    |
    |
    Posted . Owned for less than 1 week when reviewed.
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    I love this watch. I highly recommend to everyone out there. I've been APPLE user before but now I'm loving this watch..

    I would recommend this to a friend

  • BeautifulI and helpful

    |
    |
    Posted . Owned for 2 weeks when reviewed.
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    I love my galaxy watch 3 it's beautiful and it does a lot of stuff very accurate ECG and helpful I got the 45mm

    I would recommend this to a friend

  • Nice gift and worth the price

    |
    |
    Posted . Owned for 7 months when reviewed.
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    Great gift for my son. He loves it and now he runs more than hour everyday. This watch makes him do it.

    I would recommend this to a friend

  • Great Watch!!

    |
    |
    Posted . Owned for 1 month when reviewed.
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    These watches were Christmas gifts for the manager's at our office. They love them!! Very easy to set up and use.

    I would recommend this to a friend

  • Excellent watch and wonderful value.

    |
    |
    Posted . Owned for 3 weeks when reviewed.
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    I am very pleased with this watch. It does everything I hoped it would and I love all of the features.

    I would recommend this to a friend

  • Watch 3

    |
    |
    Posted . Owned for 2 months when reviewed.
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    Best watch I've ever had, the look and feel of it don't even look like a watch it just looks classic and amazing

    I would recommend this to a friend

  • Very useful

    |
    |
    Posted . Owned for 1 month when reviewed.
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    It meet all my needs for what I was looking for in a smart watch. Love that it is customizable with changing the bands.

    I would recommend this to a friend

  • Great smartwatch

    |
    |
    Posted . Owned for 1 month when reviewed.
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    Samsung has continued to improve the smart watch. It just jeeps getting better and more comfortable. Looks great too!!!

    I would recommend this to a friend

  • Was a gift but Upgraded

    |
    |
    Posted .
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    Worked great at the time. I did upgrade due to wanting the LTE version however, this one worked for what it is.

    I would recommend this to a friend

  • Best

    |
    |
    Posted . Owned for 2 weeks when reviewed.
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    Awesome watch worth the money. I enjoy the fact it has a better speaker then the apple watches I use to have.

    I would recommend this to a friend

  • Great watch

    |
    |
    Posted . Owned for 1 month when reviewed.
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    My husband loves it! Uses it to track his walking throughout the day and activity levels at the gym

    I would recommend this to a friend

  • Everything Expected

    |
    |
    Posted . Owned for 7 months when reviewed.
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    Does all the things I expected from digital watch plus attractive round face design instead of rectangular.

    This review is from Samsung - Galaxy Watch3 Smartwatch 45mm Stainless BT - Mystic Silver - (2020)

    I would recommend this to a friend

  • Nice fit

    |
    |
    Posted . Owned for 1 year when reviewed.
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    Got this as a wedding gift for my husband and he loves it. Fast charge

    I would recommend this to a friend

  • Great watch

    |
    |
    Posted . Owned for 1 month when reviewed.
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    I love my watch and the leather band is great gets the job done on all my needs a lil pricey but still great product

    I would recommend this to a friend

  • Galaxy Watch 3

    |
    |
    Posted . Owned for 3 weeks when reviewed.
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    Excellent product. I find it very useful for texts and phone calls. I even use the sleep tracking feature.

    I would recommend this to a friend

  • Great Smartwatch

    |
    |
    Posted . Owned for 2 months when reviewed.
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    In my opinion this is the best smartwatch that Samsung has made. Love that it has the blood oxygen level capability

    I would recommend this to a friend
Page 61, Showing 1,201-1,220 of 2,120 reviews
Sign in or Create Account

Get the latest deals and more.

Best Buy appLearn more
Share on YouTubeShare on InstagramShare on TikTokShare on FacebookShare on PinterestShare on X
Best Buy Canada
AccessibilityTerms & ConditionsPrivacyInterest-Based AdsState Privacy RightsHealth Data PrivacyDo Not Sell/Share My Personal InformationLimit Use of My Sensitive Personal InformationTargeted Advertising Opt OutCA Supply Chain Transparency Act
In-store pricing may vary. Prices and offers are subject to change. © 2026 Best Buy. All rights reserved. BEST BUY, the BEST BUY logo, the tag design, and MY BEST BUY are trademarks of Best Buy and its affiliated companies.