1. Fitbit Charge 6
- Waterproof rating: 5 ATM
- Battery life: 7 days
- ECG, heart rate, and stress tracking
- Buy Now on Amazon
Looking for a reliable waterproof fitness tracker or smartwatch? Here's a complete breakdown of the best wearables in 2025 based on battery life, accuracy, design, and water resistance. Ideal for swimmers, runners, and everyday users.
Waterproof fitness trackers allow you to monitor health metrics during swimming, showers, and rainy workouts. Devices with at least a 5 ATM rating can be submerged up to 50 meters, making them ideal for active lifestyles.
Model | Waterproof | Battery | ECG | Amazon |
---|---|---|---|---|
Fitbit Charge 6 | 5 ATM | 7 days | Yes | Link |
Apple Watch SE 2 | 50m | 18 hrs | No | Link |
Garmin Vivosmart 5 | 5 ATM | 7 days | No | Link |
Amazfit GTR 4 | 5 ATM | 14 days | No | Link |
Galaxy Watch 6 | 5 ATM + IP68 | 40 hrs | Yes | Link |
Yes. Devices with 5 ATM are built for swimming and water sports.
Most premium trackers continue monitoring heart rate under water.
ECG is mostly found in mid to high-end models like Fitbit Charge 6 and Galaxy Watch 6.
If you're active, you need a waterproof tracker. Our list includes the best models for every budget and need. Swimmers should aim for 5 ATM or better. Long-distance runners may prefer longer battery life.