The most dangerous predator in the ocean has been technologically transformed into a really-not-dangerous-at-all watch. The Freestyle USA FMKS Watch combines the durability of a stainless steel, water-resistant battle tank with the style and grace of a great white. Product FeaturesHousing Material: stainless steelStrap Material: stainless steelHeart Rate Monitor: Digital Compass: Chronograph: Backlight: Computer Compatible: Water-Resistant: yes, 30mAlarms: Date Indicator: Weekday Indicator: Battery Type: Battery Life: Face Size: Claimed Weight: Recommended Use: streetwear, waterwearManufacturer Warranty: lifetime