Brand Name : LIGE Model no : 9850B Dial diameter : 40 mm Dial thikness : 8.5 mm Bracelet width : 18mm Watch Circumference : 22cm Movment :Quartz,auto date Chronograph Strap material: Stainless steel Waterproof : 30 meters , Glass : Sapphire Crystal Weight : 105gm , Colour :Black silver , Original