Pilot watch brand name. Seriously, IWC's Mark XVIII has pretty much come to be the prototype for aviation watches: massive numerals, a large crown, as well as a triangle at 12. Owned by Rolex, Tudor watches supply rugged simplicity. Visualize it as being a leading-good quality watch for that outdoorsman. https://www.watchesworld.com/our-watch-picks-for-a-stylish-spring/