OLEVS Watch Men Automatic Watches for Men Self Winding Watch Black Dial Silver Watches Rotating Bezel Waterproof Stainless Steel Date Mechanical Analog Men's Wrist Watch - SHICHENG, SC-S-G6650

• 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.) Classic Design: Classic Unidirectional Stainless Steel Bezel, High Hardness Coated Glass Mirror Surface Prevents Scratches and Breaks Mechanical Movement, Calendar Zoom Window Design, Luminous Hands and Scales Are Easy to Read More Details: Mirror Diameter 1.61 Inches(41 MM),Case Thickness 0.51 Inches(13 MM), Strap Length: 8.26 Inches(210 MM),Width:0.78 Inches(20 MM),Weight 4.9 Ounces(140 G),Water Resistant To 30 m(330 Ft), Suitable For Swimming And Snorkeling, But Not Diving Suitable Activity: This Mechanical Watch can be Worn for All Types of Occasions, From Formal to Just Everyday Casual Activities. It's no Doubt That You're Going to Be Wrapped in Luxury and Compliments Service: Strap length: 21 CM, the strap can be adjusted, (if the strap is too short, you can inform us by email, we will solve your problem)