Read more How to maintain this mechanical watch? When using for the first time, please manually wind up the watch to get enough energy to keep it working well, winding the dial shouldn’t exceed 35 circles. If you wear the watch less than 8 hours a day, please manually wind up your watch to keep working well. Please avoid wearing it in hot water or under thermal steam environment, such as hot bathing, hot springs, sauna, etc. Battery free, as you wear it, it will automatically continue to wind up. If you wear it more than 10 hours a day, you won’t never to manually wind up your watch. Read more Luminous display: Super luminous exudes unique personality charm. Shiny luminous design,create cool night visual effects, focus on more eye-catching moments. Read more Water resistant Waterproof of 5ATM, suitable for splash or immersion in water for a short time, cannot be used in hot water baths and saunas. Transparent automatic movement The automatic mechanical movement has the characteristics of accurate timekeeping, providing you with accurate timekeeping. Sapphire transparent mirror Sapphire watches are scratch-resistant and wear-resistant, which fully improves the watch mirror. At the same time, durability ensures that the mirror is transparent and bright, and can be clearly seen when reading. Read more Product features: The special barrel-shaped appearance design exudes unique personality charm. The barrel-shaped watch is rare, but there are many big brands in the world. Conceptually designed men's automatic mechanical watch. It is made of 316L stainless steel case. Multifunctional design, double wheel design, the whole watch presents a strong metallic texture. High-quality silicone strap, easy and comfortable to wear, comfortable, breathable, and durable; and is with a convenient stainless steel tang buckle. The automatic mechanical movement has the characteristics of accurate timekeeping, providing you with accurate timekeeping Shockproof, scratch-resistant surface; easy-to-read time hands.