Samsung SM-R860NZKAXAA 40mm Bluetooth Smartwatch with ECG Heart Monitor: ECG and heart rate monitoring
For the active individual who wants to track health and fitness without constant phone checks, the Samsung Galaxy Watch 4 is your go-to companion. It’s perfect for monitoring your heart during a stressful workday or keeping tabs on sleep quality to wake up more refreshed.
Beyond basic tracking, this watch offers a unique perspective: it acts as a personal health coach on your wrist. The body composition analysis gives you tangible data like body fat percentage right after your morning workout, helping you make informed decisions about your fitness routine. You’ll notice the ECG feature provides clear readings that you can easily share with your doctor during check-ups.
In daily use, the automatic workout detection kicks in seamlessly during a run, and the fall detection sends an alert almost instantly if you take a hard tumble. With Google services built-in, you can pay for groceries or get directions hands-free, making it a true extension of your smartphone for staying connected and healthy.
Features
- Body composition analysis
- Advanced sleep and SpO2 tracking
- Automatic workout detection
- Fall detection with GPS
- Google services and apps
- Up to 40 hours battery life
- Water resistant 5ATM and IP68
- ECG and heart rate monitoring
General specs
- Brand: Samsung
- Model: SM-R860NZKAXAA
- Seller: Amazon
- ID: B096BJLZZM
- GPS: Built-in
- Weight: 25.9
- Storage: 16
- Battery Life: 2, 3
- Connectivity: Bluetooth, GPS
- Display Size: 1.57
- Display Type: AMOLED
- Sports Modes: 6
- Band Material: Silicone
- Case Material: Stainless Steel
- Health Sensors: Heart Rate, SpO2, ECG
- Battery Capacity: 247
- OS Compatibility: Android
- Water Resistance: IP68
- Bluetooth Version: 5.0
- First listed by seller: 6/5/25
If you are interested in more details, you can find full information on the seller's page.
Buy on Amazon
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Price History for seller Amazon
Shipping options
United States
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| Brand | Samsung | Samsung | TOZO | Quintenztek | Samsung | Huawei |
| Model | SM-R860NZKAXAA | SM-R960NZSAXAA | S8 | BH506 | Galaxy Watch 7 | Watch Fit |
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| Price | $262.99 | $210.99 | $49.99 | $99.99 | $219.99 | $70.99 |
| Seller | Amazon | Amazon | Amazon | Amazon | Amazon | Gshopper |
| Update | December 6, 2025 | December 6, 2025 | December 6, 2025 | December 9, 2025 | June 27, 2025 | July 25, 2024 |
| GPS | Built-in | Built-in | None | None | ||
| Weight | 25.9 | 205 | 47 | |||
| Storage | 16 | 16 | 8 | |||
| Battery Life | 2, 3 | 40 | 7, 10 | 7 | 2 | Long-lasting |
| Connectivity | Bluetooth, GPS | Bluetooth | Bluetooth | Bluetooth | Bluetooth | |
| Display Size | 1.57 | 1.85 | 1.32 | 1.85 | 1.57 | |
| Display Type | AMOLED | AMOLED | AMOLED | AMOLED | ||
| Sports Modes | 6 | 90 | 100 | 100 | ||
| Band Material | Silicone | Silicone | Silicone | |||
| Case Material | Stainless Steel | Stainless Steel | Stainless Steel | |||
| Health Sensors | Heart Rate, SpO2, ECG | Heart Rate, SpO2, ECG, Temperature | Heart Rate, SpO2 | Heart Rate | Heart Rate | |
| Battery Capacity | 247 | 425 | 300 | 300 | ||
| OS Compatibility | Android | Android | Android, iOS | Android, iOS | Android | |
| Water Resistance | IP68 | IP68 | 3 ATM | IP68 | ||
| Bluetooth Version | 5.0 | 5.0 | 5.0 | 5.3 | ||
| Standby Time | 30 | 7, 10 | 30 | |||
