The fully customizable Cressi® Nepto Freediving Smartwatch serves up an extremely compact watch-computer specific for freediving. With a case diameter of only 48mm and a high-contrast display of 35mm, Nepto combines low-profile and high visibility. This innovative product boasts an algorithm developed in Cressi which protects the freediver from the risk of Taravana, and a function to reduce the risk of pulmonary edema. Mineral glass, a heavy-duty case with steel buttons for resistance to water pressure up to 120m (393'), and a rubber strap with stainless steel buckle ensure maximum, water-grade durability. Mfrs. 2-year limited warranty.