Oris Watch Aquis Depth Gauge. Renowned for producing specialist diving watches, Oris is proud to introduce the new Oris Aquis Depth Gauge. At the forefront of mechanical watch innovation, Oris has harnessed its knowledge, expertise and craftsmanship to produce the first divers watch which measures depth with a mechanism built into the top glass. Revolutionising the world of professional diving, where safety and protection are paramount, Oris' engineers have applied the Boyle Mariotte Law to the patented Oris Aquis Depth Gauge. An inlet at 12 o clock leads to a channel milled into the side of the crystal. Air inside the channel is compressed, allowing water to enter into the channel. The edge in light grey and dark grey between water and compressed air indicates the depth to be read on the yellow depth scale. Above example shows a depth of 5 metres.The Oris Aquis Depth Gauge is the first divers watch to measure depth by allowing water to enter the timepiece. The set of the new Oris Aquis Depth Gauge, presented in a special waterproof case, includes a replacement steel bracelet and a set of tools to change the strap.
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