Square Calendar Waterproof Luminous Automatic Mechanical Watch

Product information:
Color: FW-6820-S1 silver shell white surface silver steel belt, FW-6820-S2 silver shell black surface silver steel belt, FW-6820-S3 rose shell black surface rose steel belt
Waterproof performance: 30m
Movement type: Machinery
Mirror material: mineral reinforced glass mirror
Buckle style: butterfly double snap-fastener
Watch-buttom material: Stainless steel
Strap material: Stainless steel
Dial shape: Square
Watchcase material: Stainless steel