Jack is the freediving computer Seac developed for fishermen and freedivers. Designed and programmed with specific and elaborate algorithms, this computer reduces the risk of Taravana and Hemoptysis while diving, thanks to two functions that constantly monitor the diver. The characteristics reserved for diving are joined by others designed for Outdoor and Fitness, keeping you consistently prepared in body and mind. Made with special techno polymers and advanced-technology elastomers, the Jack computer is lightweight and comfortable to wear. Easy to use thanks to its adjustable graphic LCD display, users control the computer with the four buttons that easily select each of the menu options.