SCUBA WATCH, Aeris XR-1 Air Nitrox Scuba Dive Computer Wrist Watch,ASIN B006IFSUTY br br Click the Link above to check for availability. br br Brand new & completely redesigned AirNitrox model br Not like most other sites that sell the old discontinued non-Nitrox model br Free Digital Online Training Course for your Aeris Computer included br Free Computer Gauge Guard included br Full Function AirNitrox Dive Computer br Visual Alarm (ascent) br Manual and water activation br Diver-replaceable batteries br Ascent rate indicator br Nitrogen bar graph br Depth to 330 feet br Automatic Altitude Adjustable br 12 Dive log br Time-to-fly br Time of day (use it like a watch) br ImperialMetric (user-setting) br FULL MANUFACTURER'S WARRANTY br br br Click the Link below to check for availability.