Each of our timepieces is crafted by leading watch manufacturers. Every watch is constructed with swiss quartz ronda movement. The watch case is molded from highly durable and wear resistant stainless steel. The bands are carefully cut from premium top grain leather and surgical grade stainless steel. Our watches would not be complete without a domed sapphire scratch resistant crystal. This perfect combination of precision and materials, exceeds the quality of leading watch brands. Case: 316L Full Stainless Steel Case Size: 45 mm Case Thickness: 12 mm Glass: Sapphire crystal Water Resistant: 5 ATM Strap Material: Top Grain Leather Strap Width: 22 mm Movement : Swiss Ronda Movement Battery life : 3+ years