Oris introduces a 100-piece limited-edition of the Big Crown pilots watch powered by Calibre 401 in support of the aeronautical charity Wings of Hope. It has a 38.00 mm 18-carat gold case, water resistance 5 bar and the movement is visible through a sapphire crystal case back. Oris Calibre 401 is an automatic movement with a five-day power reserve, high levels of anti-magnetism, 10-year recommended service intervals and a 10-year warranty.