The oris big crown propilot watch is the culmination of extensive research with professional pilots and the brands expert designers and transforms the iconic oris big crown into a new generation fitted with an automatic winding movement gmt function and date window this stunning oris big brown propilot watch has a sleek black dial housed in a stainless steel case and protected by a sapphire crystal secured by a black textile strap this watch is the perfect companion in the cockpit and a f