180 Cascio GSTB100 series is released new color metal resin material Mineral reinforcement glass case vertical meridians 581mm meridian 538mm thickness 141mm three -eye design dial three pointers to walk on the new turbine blade turntable of 9 o'clock, and use ripples network. The charm of the mature man's mature man with the charm of the mature man has 200 meters of shock -proof waterproofing.