Garmin Approach S1 GPS Golf Watch (Preloaded with US Courses) (Discontinued by Manufacturer) Waterproof (IPX7) golf watch with 1.0 in. monochrome LCD display and high-sensitivity GPS receiver Preloaded with more than 14,000 U.S. and Canada courses (USGA and R&A compliant) Provides yardages to front, back and middle of the green (unlimited course capacity) Includes odometer, alarm, plus sets time and time zone automatically Battery life: 3 weeks in watch mode and 8 hours in GPS mode