Using GPS technology and stripped down to just the basic functions, the Timex Marathon GPS Watch will keep you informed of your speed and distance, right on your wrist. This Timex digital watch is perfect for runners and walkers who are training or just out for a fitness stroll with friends. It's water resistant and will give you 8 hours of battery life between recharging sessions
. Sturdy and comfortable, the resin case and strap won't absorb your sweat and will stand up to years of use.