KIMSDUN Sport watch, the perfect mix of sport , casual and fashion , matches jeans , T-shirt or suits very well. Stylish Watch with Camouflage Silicone Strap to highlight your personality . It is a nice watch for men /unisex and wide range ages of users. Sports Automatic Mechanical watch, accurate time keeping, display the date , calendar. Waterproof, shock resistant and luminous hands, it is convenient to read the time in the dark. Harden glass for scratch resistant. Water resistant to 3 ATM (30 M): Washing hands, raining or splash, daily use waterproof. Not suitable for swimming, diving, shower. COMFORT and DURABILITY : Our silicone strap watch not only makes a comfortable sense for your wrist but also easy to match your clothes. **Automatic Movement : With a power reserve of up to 40 hours. It is powered by the natural movements of your wrist, need be worn at least 8 to 10 hours a day. So you never have to worry about changing your watch battery again. If your watch has completely stopped, rotate crown clockwise approximately 40 times (or until you feel resistance).