Features: - Design: Taking cues from high-end activewear, the Siren is equal parts comfort, function, and style. - Durability: Custom-molded TR90 case 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. - Water Rating: 100 Meter / 10 ATMnt: Custom digital module - Water Rating: 100 Meter / 10 ATM