Basic features casio watch microlight f 91w 1xy this unisex casio microlight watch comes with chronograph alarm and calendar functions it has a water resistance mark of 30m which makes it splash resistant the timepiece features casios official two year guarantee the case is made of resin and the dial colour is grey the case width is 37 millimetres and its depth is nine millimetres the watch comes with a tang buckle clasp additional features and benefits this quartz digital watch for