

Samsung SM-R840NZKCXAR Galaxy Watch 3 45mm Smartwatch Mystic Black
Key item features
- Seamless Connectivity: The Galaxy Watch3 offers Bluetooth connectivity for calls, texts, music streaming, and notifications, with an integrated speaker and voice mic for hands-free interaction.
- Advanced Health: Features include on-demand SpO2 measurement, real-time VO2 max tracking, fall detection with emergency contact notification, and improved heart-rate monitoring.
- Extended Power: Enjoy over a day of use on a single charge, with the convenience of Wireless Power Share for quick recharges using a compatible Galaxy phone.
- Fitness Tracking: Automatically tracks seven popular activities and allows manual tracking of up to 40 workouts, including access to over 120 workout videos via the Samsung Health app.
- Wellness Monitoring: Provides automatic sleep tracking with an advanced algorithm to calculate sleep scores, monitors stress levels, and offers breathing guides.
- Smart Control: Integrated voice functionality with Bixby, control of SmartThings connected devices, and Samsung Pay for convenient, secure transactions.
- Personalized Style: Compatible with Android and select iOS devices, offering over 50,000 customizable watch faces and a sophisticated stainless-steel design with interchangeable leather bands.
Specs
- Compatible OSAndroid, iOS
- Mobile OSAndroid
- Resists waterY
- Screen size45 mm
- Smart watch alerts & health monitorsHeart Rate Monitor
- WirelessBluetooth, GPS, Wi-Fi
- Free shipping
Free 30-day returns
(Only one option can be selected at a time)
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About this item
Product details
- Galaxy Watch3 gives you the freedom to call, text, stream music and get notifications via Bluetooth connectivity. The integrated speaker, voice mic and Galaxy Buds Bluetooth connection allows you to make and take calls, respond to texts, and cue up a playlist all with voice command.
- Galaxy Watch3’s advanced health monitoring offers valuable insights into your fitness and wellness. On demand SpO2 measurement can track how well your heart is pumping oxygen through the body,while real-time feedback on VO2 maxshows your maximum amount of oxygen consumption, evaluates overall endurance during training. Your watch can notify an emergency contact and share your location if it detects a hard fall during your workout, and improved heart-rate sensors will alert you if a high or low heart rate is noticed during your workout. The Glow app, seamlessly integrated with Samsung Health, allows women to keep track of ovulation cycles, periods and symptoms.
- The Galaxy Watch3’s long-lasting battery can go for more than a day on a single charge. And if you do need a sudden boost, simply place it on the back of a compatible Galaxy phone with Wireless Power Share for a quick recharge.
- Spend your time moving while Galaxy Watch3 tracks seven popular activities, from cycling to swimming automatically. You can manually track up to 40 additional workouts, including complex activities like HIIT, and access more than 120 workout videos via the Samsung Health app. GPS maps your running route and tracks distance, while superior sensors keep you on pace. After a cool down, Advanced Run Coaching delivers enhanced post-run data and analysis so you can get the most out of every mile.
- A good night’s sleep never goes out of style. Galaxy Watch3’s automatic sleep tracker—no app download required—uses an advanced algorithm to calculate your sleep score. Your watch also monitors your stress level and offers breathing guides to help you recenter.
- With Galaxy Watch3, you’re in command. Thanks to integrated voice functionality, ask Bixby to read your texts, make a call or initiate run coaching while you keep moving. You can also control SmartThings connected devices, like thermostats, lights or security cameras, right from your smartwatch—whether you’re home or away. Samsung Pay is also on your wrist, so you can leave your wallet at home, knowing all your data is protected by a multilayered defense-grade security platform.
- Galaxy Watch3 pairs seamlessly with Android devices and select iOS devices.
Specifications
Brand
Compatible OS
Mobile OS
Resists water
Warranty
Warranty information
Warnings
Ingestion Hazard
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Customer ratings & reviews
Customer photos
Showing 1-3 of 20 reviews
Seller Verified Purchase
Watch 3 is Worth the Purchase
The Watch 3 had exceeded my expectations. I did not want to have to purchase an additional phone line for the watch because my phone is always with me. If your phone is always with you, then the bluetooth version of the Watch 3 will satisfy your needs. The functions are almost identical to the LTE version. I run and hike and I can easily track what I can do through the Samsung Health app. Also, I can read and respond to email and text messages without having to take my phone out of my pocket.
Seller Verified Purchase
Galaxy watch 3
Great watch. Everything about is great. I wish the bluetooth could connect longer distance. I could be like 20 ft away and it will disconnect. Other than that everything is great.
Seller Verified Purchase
Get some space from your phone screen
I bought this for my partner. He says, “I like that I don't need to look at my phone nearly as much. The fitness tracking has been a big bonus to my fitness routine.”




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