Beach Camera via eBay offers the factory-refurbished Garmin Approach S1 GPS Golf Watch in Black for $89.99 with free shipping. That's the lowest total price we could find by $10. This watch features information for nearly 17,500 golf courses in Canada and the U.S. and can accurately measure yardages for shots. The rechargeable battery allows it to be used as a watch for up to three weeks and a GPS for up to eight hours. A 1-year Garmin warranty applies.