Swiss Brand Automatic Mens Watches Luxury Skeleton Wristwatch Mechanical Self-Winding Sapphire Crystal Tungsten Steel Watches 50M Waterproof Luminous No Battery Watches, AA-All black watches, - SHICHENG, SC-OPK-S-G3168

• New and Fashionable Design: This Automatic Watch Adopts Artificial Sapphire Mirror, Tungsten Steel Stainless Steel Case, Butterfly Double Clasp and Hollow Flywheel Design. The Unique Design Meets the Needs of Different Qccasions Without Battery : Power is Generated Automatically by the Movement of Your Arm.(Automatic mechanical watches need to be worn for 8-12 hours a day. Please Turn the Crown Clockwise 30-40 Full Turns When Power is Insufficient or the First Use.) Men's Watches Comply with EU International Standards, and Have CE Safety Certification Index, Incredible Skeleton Dial Design, the rotation of the small seconds dial to give you a visual impact, Feel the Beating of Each Second More Details: The Anti-Reflective Sapphire Crystal Glass Has a Mohs Hardness of 9 On the Mohs Level, Second Only to Diamonds. Watches Dial Diameter 1.65 Inches(42 mm),Case Thickness 0.47 Inches(12 mm), Band Width: 0.78 Inches(20 mm),Weight 5.67 oz(161 g) Strap adjustment and 5 ATM waterproof: The strap can be easily adjusted, and if the length is not enough, we provide more chains. Water Resistant to 164 ft (50 m), resistant to splashing or brief submersion, but not suitable for swimming or bathing