The Freestyle Hammerhead FX Watch lets you know you"ve been fighting that big-arse tuna for over an hour now. The durable polyurethane strap and 45mm stainless steel case have no problem kicking back and counting the minutes while you battle the fish of your life, and the water-resistant case doesn"t mind the occasional ocean spray. Luminous hands and markers also come in handy once the sun disappears into the horizon. Product FeaturesHousing Material: stainless steelStrap Material: polyurethaneHeart Rate Monitor: Digital Compass: Chronograph: yesBacklight: Computer Compatible: Water-Resistant: yes, 200mAlarms: Weekday Indicator: Battery Type: Battery Life: Face Size: 46 mmClaimed Weight: Recommended Use: keeping track of timeManufacturer Warranty: lifetime