The best sports watches of the 21st century, plus historical and technical comparisons of top models from leading brands like Bretling, Chronoswiss, Omega, and others. 

In this guide to modern sports watches, discover honest assessments of luxury sports models, many varieties of chronographs, GMTs, and extreme diving watches, represented by the best sports brands in the world, including Patek Philippe, Breitling, Omega, Chronoswiss, and more.

But first, what exactly is a sports watch? Jewelers, connoisseurs, and the editors have agreed on the following definition: a sporty-looking timepiece, usually made of steel, that stays on your arm whether youre racing, diving, or flying. In the 1970s, Gérald Genta designed three classic sports watches that challenged conservative styles and remained virtually unmodified for more than thirty years.

Using Gentas legacy as a starting point, this new book traces the evolution of the sports watch to toda