Features: - Design: The Siren takes cues from sustainable, high-end activewear, and aims for equal parts comfort, function, and style. - Durability: Custom-molded case made from #tide ocean plastics with stainless steel caseback and gasket pushers. - Special Feature: 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 time of day (12 hour or 24 hour), date calendar through 2099, basic tide, future tide, EL backlight, chronograph, and customizable countdown timer. Home screen can be set to display time and date or time and tide. - Water Rating: 100 Meter / 10 ATM