Movement: Japan VK63 seiko mecaquartz (baterai) Case Material: 316L stainless steel solid Bezel diameter:39 mm Case diameter:40 mm Case length:46.5 mm Thickness: 11 mm Strap width: 20 mm Glass material: sapphire crystal + ar coating Dial Color: BLUE tekstur Hands Material: 316L Steel Hands With Luminescence Luminosity: C3 Green superluminova, Hands And Logo Water Resistance: 100 m / 10 bar. aman renang Crown: screw crowm