Brand: NAVIFORCE Model Number: NF9171 Water Resistant: 3ATM Luminous Part: Hands, Hour Marker Plating Technique: Environmental vacuum electroplating Warranty Period: 1 year Weight: 187g Total Length:240mm Case Diameter: 45 mm Case Thickness: 17.5 mm Case Material: Zinc alloy Case Shape: Round Crystal: Reinforced mineral glass Movement Type: Analog Quartz + LCD Digital Movement Partner: Japanese Strap Material: Stainless steel Clasp Type: Hook BUckle Band Width: 23mm