Product information: Color: 001 #,002 #,003 #,004 #,005# Mirror material: quartz glass mirror Buckle style: pin buckle Watch-buttom material: Stainless steel Strap material: nylon watchband Dial shape: round Watchcase material: Alloy Case width: 41mm Strap width: 20mm Case Thickness: 10mm Waterproof performance: 30m