Pilot watch model. Seriously, IWC's Mark XVIII has just about turn out to be the prototype for aviation watches: massive numerals, a large crown, along with a triangle at twelve. The brand name also uses prime-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/