Productinformation: Style: Vintage Movement type: mechanical movement-automatic mechanical movement Dial diameter: 41mm Thickness: 13.5mm Mirror material: synthetic sapphire crystal Buckle type single fold buckle Buckle material: stainless steel Strap material: stainless steel Case material: stainless steel colour: A: Black dial 316L stainless steel strap, Swiss BGW9 blue and black luminous dial, B: Green dial 316L stainless steel strap, Swiss BGW9 blue luminous, C: Blue dial 316L stainless steel strap, Swiss BGW9 blue luminous, D: Black dial, black high-grade rubber strap, Swiss BGW9 blue luminous, E: Green dial, green high-grade rubber strap BGW9 blue luminous, F: Blue dial blue high-grade rubber strap BGW9 blue luminous