Product description PD-1653 Case Thickness: 12mm Dial diameter: 40 mm. Weight: 145 g. Band Length:220mm Movement: HZ2196G. Band Width:20mm Band Material: Stainless Steel Dial Window Material: Synthetic Sapphire Crystal PD-1644 Case Thickness: 12mm Dial diameter: 40 mm. Weight: 140 g. Band Length:220mm Movement: Japan SeikoVK63. Band Width:20mm Band Material: Stainless Steel Dial Window Material: Synthetic Sapphire Crystal Directions There are any product problems, please feel free to contact us on Amazon, we will provide you with the professional service



