The Oris Aquis Date Calibre 400, reference 01 400 7769 4154-07 4 22 74FC, is a Swiss-made automatic diving watch featuring a 41.5 mm stainless steel case and a black dial. It is powered by the in-house Oris Calibre 400 movement, offering a 120-hour power reserve and enhanced antimagnetic properties. The watch includes a date function and is water-resistant up to 300 meters. It comes with a stainless steel bracelet and a folding clasp with an extension and push-button release.