Oris Aquis Date Calibre 400

The joy of mechanics rises to the surface in a smaller version of Oris’s versatile diver’s watch powered by the game-changing in-house automatic Calibre 400. Oris Calibre 400 Series sets the new standard in automatic mechanical watchmaking. Conceived entirely in-house by the independent Swiss watch company’s skilled engineers, it offers elevated levels of antimagnetism and a five-day power reserve, and comes with a 10-year warranty and 10-year recommended service intervals.