Pilot watch model. Genuinely, IWC's Mark XVIII has virtually come to be the prototype for aviation watches: huge numerals, a major crown, along with a triangle at twelve. The manufacturer also makes use of leading-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/