- Clean regularly with fresh water, especially after exposure to salt water or sweat
 - Keep the heart rate sensor area clean for accurate readings
 - Avoid completely draining the battery
 - Store in a cool, dry place when not in use
 - Update firmware regularly
 
| Feature | Suunto | Garmin | Polar | Fitbit | Apple Watch | 
|---|---|---|---|---|---|
| Battery Life | Up to 25 days | Up to 21 days | Up to 7 days | Up to 6 days | Up to 18 hours | 
| GPS Accuracy | Excellent | Excellent | Very Good | Good | Very Good | 
| Build Quality | Premium | Premium | Good | Good | Premium | 
| Price Range | £300-£700 | £200-£900 | £200-£500 | £100-£300 | £400-£800 | 
The multi-band GPS system provides accuracy within 3 metres, making it one of the most precise systems available in consumer fitness watches.
Battery life varies by model and usage, but typically ranges from 25 days in time mode to 40 hours with full GPS tracking.
Yes, they are water-resistant up to 100 metres, making them suitable for swimming and diving.
Yes, all models support smart notifications from your connected smartphone, including calls, messages, and app alerts.
The optical heart rate sensor provides accuracy within 2-3 BPM, comparable to chest straps in most conditions.
Yes, they integrate with popular platforms like Strava, TrainingPeaks, and Komoot.
Over 80 built-in sports modes, including running, cycling, swimming, hiking, and gym workouts.
Software updates are typically released quarterly, with bug fixes and feature enhancements.
Select models support music storage and Bluetooth headphone connectivity.
Standard 24-month warranty against manufacturing defects.