Pilot watch model. Really, IWC's Mark XVIII has just about become the prototype for aviation watches: big numerals, a huge crown, and a triangle at twelve. The model also uses prime-of-the-line materials like titanium. And its types like Da Vinci and Portofino will blow you absent with movement and patterns https://www.watchesworld.com/our-watch-picks-for-a-stylish-spring/