Garmin Approach S10 GPS golf watch is one of the best budget golf GPS watches available on the market. It features preloaded courses for more than 41,000 international courses, yardage readings to front, back and middle of green, as well as hazards and doglegs. It also has an odometer to track your steps and distance traveled during a round. This watch is lightweight and waterproof, making it a great choice for golfers on a budget.