Full-automatic Multi-function Mechanical Watch Korean Business Men

Product information:
Color: Black surface black steel belt 1 #, blue surface black steel belt 2 #, black surface silver steel belt 3 #, white surface silver steel belt 4 #, black surface black belt 5 #, blue surface black belt 6#
Thickness: 10mm
Movement type: Machinery
Crown type: Spiral crown
Buckle style: butterfly double snap-fastener/pin buckle
Watch-buttom material: Stainless steel
Waterproof performance: 30m
Mirror material: mineral reinforced glass mirror