Oris Aquis Date Calibre 400 Blue 01 400 7763 4153-07 8 24 09PEB

For many reasons, you may not wear a mechanical watch every day. Calibre 400 has a five-day power reserve so it’s ready to go when you are.

Calibre 400 has more than 30 anti-magnetic components and exceeds the norms required by the ISO 764 enhanced anti-magnetic standard.

Oris’s engineers developed Calibre 400 to meet the demands of today’s watch wearer. It makes three key performance promises