Casio mens g shock alarm chronograph watch aw 590 1aer specifications brand g shock packaging casio packaging case width approx 46mm case depth approx 15mm gender mens dial colour grey date no clasp type strap buckle case material plasticresin strap type rubber strap colour black water resistance 200 metres movement japanese quartz chronograph yes mpn aw 590 1aer guarantee casio 2 year guarantee this watc