Fitness watch basic functions alarm weekday display stop watch world clock water resistant to 50m 5 atm suitable for men display features luminous hands luminous markings displays digital analogue clock mechanism solar case material stainless steel watch strap stainless steel clasp safety deployment clasp housing design round numerals arabic case size 438 x 40 mm case height 94 mm weight 1155 g watch glass sapphire glass battery type ctl9