Nixon Siren Milanese Black Watch Don't leave your style at the shoreline. The Siren fuses eye-catching design with an up-for-anything attitude. Toggle between basic tide functionality and date. It also features a chronograph, and countdown timer. Basic tide functionality lets you know when to hit the beach, sport-ready water resistance means it's not scared to get wet, and the custom milanese band for a chic look. Item cannot be shipped to P.O. Boxes