The Amazfit T-Rex 3 tactical smart watch is designed for the adventurous individual seeking durability and versatility in their smartwatch. This smartwatch for men and women combines ruggedness with advanced technology, making it an ideal choice for outdoor enthusiasts. With a 48mm military-grade build, it resists extreme temperature from 158 degrees Fahrenheit to -22 degrees Fahrenheit and is water resistant up to 328 feet, perfect for surfing and freediving. This Amazfit watch boasts an impressive 27 day battery life, providing reliability even on extended expeditions.