Siren - Black Tortoise watches-under-500 silicone band’s breathability lets you

silicone band’s breathability lets you wear it in and out of the water without odor or irritation

and has a five-year battery

each watch keeps garbage away from the water while keeping you up to date with pre-programmed tide info from 550 beaches from around the globe

The iconic Time Teller gets decked out in an acetate finish

The acetate that this watch is made from is a plant-based composite with unlimited potential for customization

Siren - Black Tortoise watches-under-500 silicone band’s breathability lets youAn essential 10 ATM tide watch with both style and substance, the Siren matches contemporary design with surf specific features and sustainable materials. #Tide recycled plastic uses ocean bound waste to create the super durable 38mm case material, which means cleaner breaks for everyone. Plus, the basic tide functionality and soft silicone band mean it slays both in and out of the water.