JS-5401 stopwatch 

JS-540110 lap & split memory with 1/100sec.Recall of the fastest, slowest and average lap timeMemory recall during operation and after resetCalendar & Clock(12/24 hour format)Daily alarmTwo countdown & Repeat(9H59M59S)PacerWater-resistance structureBlue backlightJapanese CMOS & 3.0V lithium battery CR203210道记忆、三排大显示、1/100秒  最快、最慢及平均分段时间记忆   清零后仍可重新读取记忆  正常走时、定闹及日历  两组倒计时器(9小时59分59秒)   节拍器 防水、 防震、防滑结构  蓝背光  CR2032锂电池  Size:   67 x 85 x 24 mm