On or off the field, this classic looking digital can keep your game on track. With a referee timer, 9 preset countdown and interval timer capability, there's no reason not to join in the game. A long-life 10-Year Battery and 100-Meter Water Resistance and more help round out this great addition to the Casio timepiece lineup. 100M Water Resistant Band Material: Resin LED light with Afterglow World Time: 29 times zones (48 cities), city code display, daylight saving on/off Daily Alarm Hourly Time Signal Referee Timers: 9 preset start timers: 10, 12, 15, 20, 25, 30, 35, 40, 45 minutes