Mineral Crystal Case Diameter: 44mm Case Thickness: 15mm Case Back: Exhibition, screw down Bezel: Unidirectional, Matte Polished Crown: Screw Down Dial: Black with Luminous Hands and Markers Band Length: 8.5 inches Band Width: 21.5mm Band Material: Stainless Steel, Center Link Black IP Finish Clasp: Fold-over, dual-deployment with safety clasp. Movement: Seiko Caliber NH35 (24 Jewels) Water Resistance: 20 ATM - 200 meters - 660 feet Special Features: Date window with magnifier, Limited Edition.