Time100 Men's Classic Business Waterproof Hollow Engraving Dial Analog Mechanical Wrist Watches Imported Round Diamond Skeleton Dial 3 Different Colors Optional--Black Silver and Gold Automatic winding mechanical movement.Black Stainless Steel Buckled and Leather Band 30m Water Resistant to Water Spray or Drizzle without Pressure QUALITY GUARANTEE:Replacement within 30 Days, 1 Year Warranty