Pilot watch model. Actually, IWC's Mark XVIII has pretty much turn out to be the prototype for aviation watches: huge numerals, a giant crown, and also a triangle at 12. The manufacturer also employs top rated-of-the-line materials like titanium. And its types like Da Vinci and Portofino will blow you https://www.watchesworld.com/our-watch-picks-for-a-stylish-spring/