Model: S204066A(Leather)/S204066B(Bracelet) Affordable 1963 Explorer Tropical Dial Homage Watch Movement Model: NH38 Automatic Case: 316L Stainless Steel, Polishing and Brushing Case Diameter: 36mm (including crown 38.9mm) Dial: Classic Black/Tropical Brown, with Retro Luminous Luminous: Swiss Super-LumiNova® GL old Lug to Lug : 43.5mm Thickness: 12.2mm (Including Glass) Glass: Dome Sapphire Crystal, AR Coating Hands: Benz Hands, Polished, with Luminous Crown: 316L Stainless Steel, Screw-in, with LOGO Caseback: Screw-in, Brushing Strap: 316L Stainless Steel Bracelet, Brushing Buckle: 316L Stainless Steel, with LOGO Waterproof: 200M(20ATM) Weight: About 61g(S204066A)/133g(S204066B).