Analogue watch quartz watch chronograph mens watch series nixon the 51 30 ss chrono case material stainless steel water resistant to 300m 30 atm case size 51 x 56 mm case height 15 mm housing design round watch glass mineral glass watch strap stainless steel clasp safety deployment clasp display analogue display type with date display numerals arabic clock mechanism quartz functions stop watch power supply battery operated weight 272 g form