professional sports stopwatch 1, 1/100th of a ... , 2-Rows display 4, Memory: 8-180 professional sports stopwatch BrandRESEEModelPC-6230Size8.5*5.5*2.5 cmN ... Ltd. is an enterprise engaged in the research, development, manufacture of professional chronometer products. We are equipped with ... great research & development team.Our advantage:1. Professional knowledge on chronometer field for almost 7 years.2 ...