Pilot watch manufacturer. Seriously, IWC's Mark XVIII has virtually turn out to be the prototype for aviation watches: huge numerals, a major crown, and also a triangle at 12. The manufacturer also works by using leading-of-the-line products like titanium. And its versions like Da Vinci and Portofino will blow you https://www.watchesworld.com/our-watch-picks-for-a-stylish-spring/