Product information: 

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