Explore the world of feature-loaded smartwatches for women and stay organized throughout the day without missing important notifications. Fitbit is a US-based fitness brand well-known for its range of smartwatches that aim to revolutionize how millennials look at their fitness. The brand has roped in Will Smith, Harley Pasternak, and Dean Karnazes as its brand ambassadors. Navy blue is the most common color for denim and dress pants.