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Garmin expands Approach Series with S4, a sleek golf watch with high-Res touchscreen display and smart notifications - Garmin Blog
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Charger Compatible with Garmin Approach S2 S4 USB Charging Cable 100cm GPS Golf Watch Accessories - Newegg.com
Approach S4 Owner's Manual - Keys
Garmin Approach® S4 (Black) Touchscreen golf GPS watch — covers over 38,000 courses around the world at Crutchfield