Asics challenge super blackgrey
Heart rate monitor watch basic functions alarm time zones countdown timer heart rate monitor pulse rate monitor series asics challenge water resistant to 100m 10 atm suitable for men training functions training programme display digital clock mechanism quartz illuminated display case material plastic watch strap polyurethane clasp pin buckle numerals arabic case size 50 mm case height 14 mm weight 62 g watch glass acrylic glass battery power