Case Diameter: 40 mm Case Thickness: 12 mm Movement: Japanese Seiko NH35A automatic mechanical movement Crystal: Scratch-resistant sapphire glass Water
Case Diameter40mm to 40.6mm Thickness~11.5mm to 12mm Lug Width21mm Case Material316L Surgical Stainless Steel MovementJapanese Seiko NH36 Automatic (Self-winding, hacking)