Robic SC-589 Referee Watch and Game Timer One touch preset of 10, 15 & 45 minute Countdown Times; dual display shows Time Remaining & original preset time. Enter time value from one second to 99 minutes and 59 seconds. Game Timer beeps upon completion & then counts up for Total Time display. EL Backlight for nighttime or low light use. Stopwatch with 1/100 second precision to 100 hours; Multiple splits,.