Polar 900108443 Water Resistant Health Tracker GPS Smartwatch with Fitness Monitoring Tools: Features advanced, wrist-based heart rate monitoring and specialized sleep and recovery tools for improved performance
This POLAR Unite smartwatch is for the active person who wants to track progress without fuss. Use it to monitor daily steps, ensure consistent workouts, or improve sleep habits after a busy day.
While many fitness trackers focus on data, this one emphasizes simplicity for real life. The single button makes it easy to start a run when you're rushing out the door. The wrist-based heart rate monitoring feels accurate during a brisk walk, giving you reliable feedback without extra devices.
You get up to 50 hours of battery life in training mode, so it lasts through weekend adventures without constant charging. The water resistance and built-in GPS let you swim or hike confidently, tracking every move. It's a straightforward tool to help you stay active and recover better, day after day.
Features
- Up to 50 hours of battery life on a single charge in training mode (up to 4 days in watch mode)
- Water resistant with GPS that tracks every step and turn
- Lightweight fitness tracking smartwatch to help keep you active
- Easy, single button use
- Features advanced, wrist-based heart rate monitoring and specialized sleep and recovery tools for improved performance
General specs
- Brand: Polar
- Model: 900108443
- Seller: Amazon
- ID: B0BN3SRKW7
- GPS: Built-in
- Weight: 32
- Storage:
- Battery Life: 4
- Connectivity: GPS
- Display Size:
- Display Type:
- Sports Modes:
- Standby Time:
- Band Material:
- Case Material:
- Health Sensors: Heart Rate
- Battery Capacity:
- OS Compatibility:
- Water Resistance: Water resistant
- Bluetooth Version:
- First listed by seller: 1/14/26
If you are interested in more details, you can find full information on the seller's page.
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Shipping options
Russia
Comparison with similar products
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Kummel 4895246902838 Light Purple No app or phone required for basic use
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Honor ROSSINI 2i Black Bluetooth connectivity
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Bluetooth Call Smartwatch with Fitness Tracker Black 1.7-inch screen size
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| Brand | Polar | Kummel | Honor | MEVADEN | RUXINGX | Painter |
| Model | 900108443 | 4895246902838 | ROSSINI 2i | G62 | M10 | |
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| Price | $149.93 | $39.99 | $217.31 | $47.67 | $36.49 | $51.60 |
| Seller | Amazon | Amazon | Joom | Joom | Amazon | Joom |
| Update | January 21, 2026 | December 6, 2025 | January 27, 2026 | January 27, 2026 | January 21, 2026 | January 27, 2026 |
| GPS | Built-in | None | Built-in | Connected | None | |
| Weight | 32 | 38 | <num1>, <num2> | |||
| Storage | 32 | <num1>, <num2> | ||||
| Battery Life | 4 | 7 | 12 | 30 | <num_from>, <num_to> | |
| Connectivity | GPS | Bluetooth | Bluetooth | Bluetooth | Bluetooth | Bluetooth |
| Display Size | 1.43 | 1.7 | 1.85 | 1.39 | ||
| Display Type | LCD | AMOLED | HD | AMOLED | ||
| Sports Modes | 20, 100 | 120 | 120 | Multiple | ||
| Standby Time | 30 | 100 | <num_from>, <num_to> | |||
| Band Material | Silicone | Silicone | Silicone | |||
| Case Material | Metal | Stainless Steel | ||||
| Health Sensors | Heart Rate | Heart Rate, SpO2 | Heart Rate, SpO2 | Heart Rate | ||
| Battery Capacity | 292 | 600 | 1000 | <num1>, <num2> | ||
| OS Compatibility | Android, iOS | Android, iOS | Android, iOS | Android, iOS | Android, iOS | |
| Water Resistance | Water resistant | IP68 | 5 ATM | 5 ATM | IP68 | |
| Bluetooth Version | 5.0 | 5.2 | 5.0 | 5.0 | ||