Oris Aquis Date Calibre 400 Green Watch, 41.5mm

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.


  • Case: Aquis, 41.50 mm, stainless steel
  • Movement: automatic winding date developed by Oris
  • Dial: green
  • Strap/Bracelet: green rubber strap, stainless steel security folding clasp with extension