AKNIGHT Men's Automatic Watch The video showcases the product in use.The video guides you through product setup.The video compares multiple products.The video shows the product being unpacked. AKNIGHT is dedicated to designing a luxury and high performance mechanical automatic watch. A-Level Super Luminous Luminous Display Watchces AKNIGHT is dedicated to designing a luxury and high performance mechanical automatic watch. Germany's SUPER-LUMINOVA-luminous material, a powerful luminous material. From then on, it will not fear the dark night and move forward. Always covered with Super-LumiNova After being flled with light energy, It can glow continuously for up to 4 hours in the dark which can let u recognize the time accuratetly. Waterproof Skeleton Watches Water resistant up to 100M In order to meet the needs of our customers, AKNIGHT presents this watch with a water resistance of 10 bar, which can withstand sweat, rain or accidental splashes, bathing, and underwater activities such as swimming and diving. *Please note that the waterproof watch should not be used in hot water over 40C° to prevent water vapor from entering the watch through the crevices. Classic Interpretation of AKNIGHT Automatic Mechanical Watch German watchmaking craftsmanship for over 100 years, solid steel forged case, imported high-quality 8215 mechanical movement with 42-hour power reserve, bi-directional winding combined with automatic winding accumulation system, triangular stabilization shock absorption system, 12-sided diamond line cutting bezel, high-definition sapphire crystal, multi-layered dial design with powerful luminescence, gear-shaped mechanical handle, laser engraving, panoramic see-through caseback. Skeleton Watches for Men Automatic Mechanical Sapphire Crystal The sapphire crystal is abrasion-proof and scratch-resistant. 316L Stainless Steel Often used as a scalpel material, scratch-resistant and corrosion-resistant, can easily resist small abrasion and sweat erosion. Threaded Head Button Equipped with a delicate threaded head with a smooth and delicate feel, the head is easy to adjust naturally. Silicone Strap Silicone strap, good flexibility, not easy to lose color is not easy to deformation, wear skin-friendly more comfortable. Automatic Stainless Steel Dress Watch AKNIGHT-BJD-ORANGE AKNIGHT-BJD-YELLOW AKNIGHT-BJD-RED Strap material Silicone rubber Strap material Silicone rubber Strap material Silicone rubber Function Automatic winding Function Automatic winding Function Automatic winding Is it a great watch? This AKNIGHT automatic men's watch comes with a 316L stainless steel case, high-quality 8215 mechanical movement and a sapphire crystal crystal. The double-sided skeletonized design allows for an unobstructed view of the internal movement. can you swim deep underwater with them? This watch is water resistant to 100 metres. This is enough to resist the resistance of a swimming pool or a drenching rain, up to 100 metres. If you want to swim in deep water, consider a watch that is water resistant to 200 metres. Would this men's watch be a good gift? Sure, it can be used for your friends or loved ones. I think it is the best gift on Valentine's Day, Christmas or other holidays. Does the watch need a battery? This watch is a fully automatic mechanical watch without batteries. It relies on the swing arm to generate energy to make the watch work, but it needs to be worn for more than 8-10 hours a day.