Design: Taking cues from high-end activewear, the Siren is equal parts comfort, function, and style. | Durability: Custom stainless steel case back and gasket pushers. | Special Features: Basic tide high/low tide functionality, chronograph, and countdown timer. Plus, the patented Locking Looper keeps the band secure. | Movement: Custom digital module with basic tide. Functions include the time of day (12 hour or 24 hour), date calendar through 2099, basic tide, future tide, EL backlight, chronograph, and customizable countdown timer. The home screen can be set to display time and date or time and tide. | Water Rating: 100 Meter / 10 ATM