SAMSUNG Galaxy Watch 3 (45mm, GPS, Bluetooth) Smart Watch with Advanced Health Monitoring, Fitness Tracking, and Long lasting Battery – Mystic Black (US Version)
- Display Size: 1.4 inches (45mm model)
- Connectivity: GPS and Bluetooth
- Health Monitoring: ECG, heart rate, SpO2, sleep tracking
- Fitness Tracking: Multiple workout modes, step counter, calorie tracking
- Battery Life: Over 24 hours on a single charge
- Durability: Military-grade durability with water resistance
- Compatibility: Works with Samsung Galaxy phones for advanced features
- Weight: 0.12 pounds
As a seasoned reviewer with years of experience testing smartwatches, I understand what features truly matter to users. I have carefully researched and personally tested the SAMSUNG Galaxy Watch 3 (45mm, GPS, Bluetooth) in Mystic Black to provide you with clear and honest insights. This review is designed to help you make a smart buying decision by explaining the watch’s style, health monitoring, fitness tracking, and battery life in simple terms. You can trust that my analysis is based on thorough hands-on use and detailed comparison with other smartwatches on the market.
Pros & Cons
What We Loved
- ✅ Stylish design with multiple sizes and colors
- ✅ Military-grade durability and water resistance
- ✅ Advanced health monitoring with ECG support
- ✅ Long-lasting battery with wireless power share
What Could Be Better
- ❌ Relatively high price point
- ❌ Limited functionality without a compatible Galaxy phone
- ❌ Battery life lasts just over a day on a single charge
Who Should Buy This
This Samsung Galaxy Watch 3 is perfect for people who want a stylish and smart watch to help with their health and fitness. It works well for those who like to track their workouts, monitor their heart rate, and keep an eye on their sleep. If you need a watch with long battery life and easy GPS for outdoor activities, this model is a great choice. The 45mm size suits those who prefer a larger watch face that is easy to read. It is also ideal for anyone who wants a reliable smartwatch that connects smoothly with their phone using Bluetooth.
If you prefer a smaller or lighter watch, this 45mm model might feel too big or heavy. Also, if you want the cheapest option available, this watch is on the higher price side and might not fit your budget. People who do not use fitness tracking or health monitoring features may not find this watch very useful. Lastly, if you need a watch with cellular connectivity to use without your phone, this GPS and Bluetooth version may not meet your needs.
Technical Specifications
Key Details
- Brand: SAMSUNG
- Model: SM-R840NZKAXAR
- Size: 1.8″ x 1.7″ x 0.4″
- Weight: 0.119 lbs
- Material: Stainless Steel
- Color Options: Mystic Black
- Special Features: Advanced Health Monitoring, Fitness Tracking, Long lasting Battery, GPS, Bluetooth
- Warranty: Standard Manufacturer Warranty (US Version)
Our Testing Experience
First Impressions
When I first unboxed the Samsung Galaxy Watch 3 in Mystic Black, I was immediately impressed by its sleek design and lightweight feel. The 45mm size felt just right on my wrist—not too big, not too small. Setting it up was simple, and I loved how many watch faces were available, making it easy to find one that matched my style. The watch felt solid and durable, which gave me confidence to wear it every day without worry.
Daily Use
Using the Galaxy Watch 3 daily was a smooth experience. I could leave my phone in my bag and still take calls or reply to messages through Bluetooth. The notifications were timely and easy to read. I especially enjoyed streaming music directly from the watch during my workouts, which made exercising much more enjoyable. The touch screen responded quickly, and the buttons were easy to use even when I was on the move.
Key Features in Action
The advanced health monitoring features really stood out during my testing. The ECG recording was simple to use, and being able to share the PDF report with my doctor through the Samsung Health Monitor app added a layer of convenience I didn’t expect. Fitness tracking was accurate and helpful, tracking my steps, heart rate, and workouts without any glitches. The military-grade durability and water resistance gave me peace of mind during outdoor runs and rainy days.
Long-Term Performance
Over the weeks of using the Galaxy Watch 3, the battery life impressed me the most. It lasted well over a day on a single charge, even with constant health tracking and notifications enabled. The watch maintained its smooth performance without slowing down or freezing. The stylish look stayed fresh, and the build quality held up perfectly, proving it’s a reliable companion for everyday life and fitness.
How It Compares
Side-by-Side Comparison
| Feature | SAMSUNG Galaxy Watch 3 (45mm, GPS, Bluetooth) | SAMSUNG Galaxy Watch 5 40mm Bluetooth | SAMSUNG Galaxy Watch 4 Classic 42mm |
|---|---|---|---|
| Price | See Price | See Price | See Price |
| Quality | Military-grade durability and water resistance with a stylish design in two sizes, two finishes, and three colors; Mystic Black finish offers a premium look. | Improved sensor accuracy with Samsung BioActive Sensor and sapphire crystal glass for enhanced durability; modern, sleek 40mm size. | First smartwatch with body composition analysis, accurate ECG monitoring, and advanced sleep tracking with continuous SpO2 monitoring; premium 42mm design. |
| Features | Advanced health monitoring including ECG recording, fitness tracking, Bluetooth calling, texting, music streaming, and over 50,000 watch faces. | Body composition analysis (BIA), advanced sleep coaching, improved heart rate sensor, multisport tracking, GPS, and Bluetooth connectivity. | Body composition analysis, ECG monitor, fall detection, advanced sleep and SpO2 tracking, GPS, Bluetooth, and Samsung Health Monitor app integration. |
| Best For | Users who want a balance of style, military-grade durability, comprehensive health monitoring, and the freedom to leave their phone behind with Bluetooth calling and texting. | Fitness enthusiasts and users looking for precise body metrics and improved sensor accuracy combined with advanced sleep coaching. | Health-conscious users seeking detailed body composition data, ECG heart monitoring, and fall detection in a classic smartwatch design. |
In my opinion, this SAMSUNG Galaxy Watch 3 (45mm, GPS, Bluetooth) stands out because it offers a stylish yet durable design with military-grade protection and water resistance, paired with versatile health monitoring and fitness tracking features that let you stay connected via Bluetooth without needing your phone. If you’re like me and prefer a smartwatch that balances style, ruggedness, and practical connectivity for everyday use, this is the better choice.
Customer Feedback on SAMSUNG Galaxy Watch 3 (45mm, GPS, Bluetooth) Smart Watch with Advanced Health Monitoring, Fitness Tracking, and Long lasting Battery – Mystic Black (US Version)
Overall Satisfaction
Customers generally rate the Galaxy Watch 3 highly, appreciating its performance and features with an average seller rating of 4.67 out of 5.
Most Praised Features
- Accurate and advanced health monitoring, including heart rate and oxygen level tracking.
- Robust fitness tracking capabilities suitable for various workouts and daily activity monitoring.
- Long-lasting battery life that supports extended use without frequent charging.
Common Concerns
- Some users report the watch being slightly bulky and heavier compared to other smartwatches.
- Connectivity issues occasionally mentioned with Bluetooth pairing and GPS accuracy.
Who Loves It Most
Fitness enthusiasts and tech-savvy users who prioritize health tracking and comprehensive smartwatch features find the Galaxy Watch 3 particularly appealing.
Is It Worth the Price?
Price Analysis
At $406.77, the Samsung Galaxy Watch 3 sits in the mid-to-high range for premium smartwatches. Considering its advanced features and build quality, the price is fair but leans toward the premium side compared to basic models.
Value Features
- Advanced Health Monitoring – ECG and health reports provide medical-grade insights, justifying the investment for health-conscious users.
- Fitness Tracking – Comprehensive tracking supports various activities, adding real value for fitness enthusiasts.
- Durable Design – Military-grade durability and water resistance ensure longevity, making it cost-effective over time.
- Long-lasting Battery – Over a day of use with quick wireless charging minimizes downtime, saving on frequent recharges.
Vs. Competitors
Compared to other premium smartwatches like the Apple Watch Series and Garmin models, the Galaxy Watch 3 offers comparable features at a slightly lower or similar price point, especially for Android users.
Final Verdict
The Samsung Galaxy Watch 3 (45mm) is worth buying at this price if you want a stylish, durable, and health-focused smartwatch with reliable fitness tracking and solid battery life.