In mint condition, this was a (much loved) xmas gift I recieved two of. This one has been used a handful of times and is a fantastic running aid. It simply clicks in to a USB slot to charge, upload data etc. Awesome tap screen display. Retails for $200 new.

No buy now.

Nike says: It doesn't just tell time. The Nike+ SportWatch GPS keeps you motivated and on track with unique features like automatic run-reminders. It's like having your own personal running coach, right on your wrist. The Nike+ SportWatch GPS keeps track of your location, pace, distance, laps, and calories burned. It stores all your run history and keeps tabs on your personal records, giving you encouragement along the way.