Huawei Watch GT 4 (Milanese Gold, 1.32 Inches)

How accurate is the heart rate monitoring on this watch?

The TruSeen 5.5+ system uses eight photoelectric sensors with dual light sources and curved glass lens technology. This advanced setup combined with AI algorithms provides medical-grade accuracy for heart rate measurements. The system continuously monitors your heart rate and can detect irregular patterns through the new Pulse Wave Arrhythmia Analysis feature.

What sports modes are included and how do they work?

The watch supports over 100 sports modes covering activities from running and cycling to swimming and golf. Each mode is specifically calibrated to track relevant metrics for that sport. The watch can automatically detect common exercises like walking and running. It provides real-time coaching guidance and detailed post-workout analysis including route mapping for outdoor activities.

How long does the battery actually last with regular use?

The 323mAh battery provides up to 7 days of typical use which includes heart rate monitoring, sleep tracking, notifications and occasional GPS use. Heavy GPS usage will reduce battery life to approximately 2-3 days. The watch includes smart power management that adjusts settings based on your usage patterns to maximise battery life.

Can I make phone calls directly from the watch?

Yes, the watch supports Bluetooth calling when connected to your smartphone. You can answer and reject incoming calls directly from the watch using the built-in speaker and microphone. The watch also allows you to view call logs and send custom quick replies to missed calls. SMS messages can be viewed and replied to using preset text or emoji options.

Is this watch waterproof and suitable for swimming?

The watch has water resistance suitable for swimming and water sports. It includes dedicated swimming modes that track stroke count, lap times and swimming efficiency. The watch can distinguish between different swimming strokes and provides detailed analysis of your swimming performance. However, it's not recommended for diving or high-pressure water activities.

How does the sleep monitoring work and what does it track?

TruSleep 3.0 technology monitors your sleep stages including light sleep, deep sleep and REM phases. It tracks sleep quality, duration and breathing patterns throughout the night. The system can detect sleep breathing irregularities and provides a comprehensive sleep score each morning. It also offers personalised suggestions for improving sleep quality based on your patterns.

What health metrics can this watch monitor continuously?

The watch provides 24/7 monitoring of heart rate, stress levels and can measure SpO2 blood oxygen saturation on demand. It includes body temperature monitoring and comprehensive female health tracking with cycle prediction. The stress monitoring feature offers guided breathing exercises when elevated stress is detected. All health data is stored locally and can be synced to the Huawei Health app.

How does the GPS accuracy compare to dedicated fitness devices?

The enhanced GNSS system with smart satellite antenna array improves GPS accuracy by 30% compared to previous models. It connects to multiple satellite systems including GPS, GLONASS, Galileo and BeiDou for precise positioning. The system works well in challenging environments like urban areas with tall buildings or wooded trails. Route tracking is accurate enough for serious fitness training and navigation purposes.