The Oris Divers Sixty-Five Calibre 400, reference 01 400 7774 4057-07 8 19 18, is a 38mm stainless steel watch featuring a green dial and a matching stainless steel bracelet. It is powered by Oris's in-house Calibre 400 automatic movement, offering a 120-hour power reserve and enhanced anti-magnetic properties. The watch includes a domed sapphire crystal with anti-reflective coating, a see-through sapphire case back, and is water-resistant up to 100 meters. The hands and indices are filled with Super-LumiNova for improved visibility in low-light conditions.