Cressi Newton Wrist Computer Dual-mixture Cressi-Wienke RGBM algorithm: safe decompression calculations in repetitive multi-day dives and with mixtures. Software handles two different hyperoxygenated mixtures, which can be selected during the dive. Visual and auditory alarms. Graphic CNS oxygen toxicity indicator. Dive program: full processing of dive data, including decompression if applicable, for every dive performed with air or nitrox. Complete with dive profile. Log book (70 hr or 60 dives). PC/MAC interface with simulator and dive profile (not included).