Pilot watch manufacturer. Seriously, IWC's Mark XVIII has basically turn into the prototype for aviation watches: massive numerals, a major crown, as well as a triangle at 12. The manufacturer also makes use of prime-of-the-line materials like titanium. And its products like Da Vinci and Portofino will blow you away https://www.watchesworld.com/our-watch-picks-for-a-stylish-spring/