Water resistant to 130m, the Mission3 offers vibration and sound alerts for safety. With patented functions like GPS dive spot navigation and a freedive safety stopwatch, it also includes apnea training tools, multi-band GPS, a digital compass and a 1.4-inch full-colour AMOLED display. Paired with the handy Atmos logbook app, the Mission3 is suitable for divers of all levels. Modes include Air, Nitrox, Multi-Gas, Gauge, Freedive, Pool, and STA. Other features include CO2/O2 tables, customisable watch faces, upgradeable firmware and a quick-release watch strap.