The Amazfit T-Rex Pro fitness watch offers 24-hour heart rate monitoring and is able to provide instant alerts for all cases of high heart rate. Heart health is a top priority, and so your Amazfit T-Rex Pro smartwatch tracks it at all times, and can also record your heart rate variability (HRV) throughout the day, to monitor your body pressure.
https://www.amazon.com/Amazfit-Smartwatch-Military-Certified-Waterproof/dp/B08X9WS6VW