⌚【AUTOMATIC SELF-WIND WATCH】Imported automatic movement, with small error, can work stably for 10 years. The sports watch through the wrist will automatically self-winding.no battery. ⌚【MULTIFUNCTIONAL DIAL DESIGN】meticulously designed 4 calendar functions of year/month/week/day to meet all customer needs a multi-function watch with multiple times. The classic bottom moon phase window is a classic watch for gentleman men. ⌚【LUXURY 316L STAINLESS STEEL STRAP】Solid stainless steel watch bracelet, hidden butterfly pushed the button, ventilate, prevent perspiration, quality assurance. Two adjustment tools are provided to easily adjust the strap length. ⌚【30ATM WATERPROOF】Three-degree nano-level sealed waterproof, ultra-high waterproof performance, innovative and enhanced anti-fog, 30 meters strong pressure waterproof, suitable for everyday life waterproofing, such as washing hands, doing housework, and briefly soaking in water. ⌚【EXCELLEN CUSTOMER SERVICE】If you have any questions or questions, please contact us. We will resolve your issue within 24 hours. ⌚【AUTOMATIC SELF-WIND WATCH】Imported automatic movement, with small error, can work stably for 10 years. The sports watch through the wrist will automatically self-winding.no battery. ⌚【MULTIFUNCTIONAL DIAL DESIGN】meticulously designed 4 calendar functions of year/month/week/day to meet all customer needs a multi-function watch with multiple times. The classic bottom moon phase window is a classic watch for gentleman men. ⌚【LUXURY 316L STAINLESS STEEL STRAP】Solid stainless steel watch bracelet, hidden butterfly pushed the button, ventilate, prevent perspiration, quality assurance. Two adjustment tools are provided to easily adjust the strap length. ⌚【30ATM WATERPROOF】Three-degree nano-level sealed waterproof, ultra-high waterproof performance, innovative and enhanced anti-fog, 30 meters strong pressure waterproof, suitable for everyday life waterproofing, such as washing hands, doing housework, and briefly soaking in water. ⌚【EXCELLEN CUSTOMER SERVICE】If you have any questions or questions, please contact us. We will resolve your issue within 24 hours. ⌚【AUTOMATIC SELF-WIND WATCH】Imported automatic movement, with small error, can work stably for 10 years. The sports watch through the wrist will automatically self-winding.no battery. ⌚【MULTIFUNCTIONAL DIAL DESIGN】meticulously designed 4 calendar functions of year/month/week/day to meet all customer needs a multi-function watch with multiple times. The classic bottom moon phase window is a classic watch for gentleman men. ⌚【LUXURY 316L STAINLESS STEEL STRAP】Solid stainless steel watch bracelet, hidden butterfly pushed the button, ventilate, prevent perspiration, quality assurance. Two adjustment tools are provided to easily adjust the strap length. ⌚【30ATM WATERPROOF】Three-degree nano-level sealed waterproof, ultra-high waterproof performance, innovative and enhanced anti-fog, 30 meters strong pressure waterproof, suitable for everyday life waterproofing, such as washing hands, doing housework, and briefly soaking in water. ⌚【EXCELLEN CUSTOMER SERVICE】If you have any questions or questions, please contact us. We will resolve your issue within 24 hours. ⌚【AUTOMATIC SELF-WIND WATCH】Imported automatic movement, with small error, can work stably for 10 years. The sports watch through the wrist will automatically self-winding.no battery.