Basic features this watch has been equipped with several important functions including perpetual calendar alarm day and date the seiko active matrix epd electronic ink watch for men comes with seikos official two year guarantee the watch has a water resistance mark of 100m the case is made of steel and the dial colour is black the case depth is 57 millimetres and the width is 309 x 329 mm it has a hidden folding clasp additional features and benefits seiko active matrix epd electro