How accurate is the depth gauge indication on the Aquis Depth Gauge? 28 July 2023 12:53 Updated The depth gauge display is very accurate and will only show a slight deviation dependent on external factors such as the salinity and temperature of the water. Related articles I have problems with the accuracy of my Calibre 400 Series watch. What should I do? How accurate is the ProPilot Altimeter altitude indication? How do I clean my Oris?