Pilot watch model. Truly, IWC's Mark XVIII has virtually come to be the prototype for aviation watches: big numerals, a huge crown, along with a triangle at twelve. Owned by Rolex, Tudor watches give rugged simplicity. Think of it for a top-high-quality watch with the outdoorsman. Muted shades for instance https://www.watchesworld.com/our-watch-picks-for-a-stylish-spring/