Designed to resist some of the most extreme conditions in the aquatic world the tag heuer aquaracer collection is a dependable watch for active men who care for style this model features the six classic features of the aquaracer series unidirectional turning bezel sapphire crystal screw in crown with double gasket perfect water resistance to 300 meters luminescent markers and a bracelet with a double security strap black dial with running second at 3 oclock and alarm function at 9 oclo