Oris Aquis Depth Gauge Chronograph
In 2013, the Oris Aquis Depth Gauge became the first mechanical watch to measure depth without any moving parts.
The case, in stainless steel, measures 48mm. The bezel has a ceramic inlay and it is water resistant to 500 meters. It has a sapphire crystal, double domed with antireflective coating on both sides, featuring a milled channel that allows water into it as part of the depth gauge function. Yellow meter scale read off against watermark in channel milled into sapphire crystal.
Movement is the Swiss automatic Oris caliber 774 (base Sellita W500) with 25 jewels, 28,800 vph and a power reserve of 48 hours.
The black dial has applied indices and nickel hands, both covered with white SuperLuminova.
It comes on a black rubber strap with an Oris-developed safety anchor and quick adjustment
sliding-sledge folding clasp.
It is delivered in a special waterproof case with an additional metal bracelet and strapchange tools. MSRP is 4,900 Swiss Francs.