Garmin (NASDAQ: GRMN) is the de-facto standard watch product for a lot of athletes. If you’re a long distance runner, triathlete, swimmer, or any kind of endurance athlete you probably know Garmin’s products well. The company has made the best GPS watches on the market for years and it’s known for the durability athletes require. And a big part of Garmin’s business is dominating this very specific niche of watches.