The first watch to carry Oris’ next-generation automatic movement is the Oris Aquis Date Calibre 400, which brings a series of key updates to the Holstein manufacture's most stylish, modern dive watch. 

Inside this new Aquis is the Oris Calibre 400, which is a highly accurate, highly anti-magnetic, highly reliable movement with a generous five-day power reserve. It also is backed by a 10-year recommended service intervals and a 10-year warranty.

Its 43.5mm case is fitted with Oris' new quick-change strap system, which facilitates the easy removal and change of bracelet or strap without tools. And true form for the Aquis' purpose-built capability, this new reference is water resistant to 300 meters. 

Specifications:

• Case: 43.5mm multi-piece stainless steel
  
• Bezel: Blue ceramic, unidirectional rotating
  
• Gradient blue dial with SuperLuminova on hands & hour markers
• Sapphire Crystal front, sapphire crystal caseback 
• Movement: Oris Calibre 400 Automatic with date 
• Power reserve: 5 days
• Water Resistance: 300 meters
• Strap: Stainless steel bracelet