Our best-selling collection eight years in a row does it all. Built with 316L stainless steel and available in 10 unique colorways and straps, there are hundreds of combinations to make it your own. The Chrono S is built to last and designed to be the most versatile watch youa€ll ever own. Note: The 40MM Series' straps have a width of 20MM. The 22MM width straps will not fit.