Material: 316L stainless steel construction, synthetic sapphire crystal dial glass and a top of the Japanese VK63 movement Parameter Case Diameter: 40mm Thickness: 12mm Band Length: 220mm Band Width: 20mm Weight: 134g PAGANI DESIGN Watches: 30 days refund without reason, 24 months of high-quality warranty. Please feel free to contact us if you want to know more things about PAGANI DESIGN watches