Pilot watch model. Truly, IWC's Mark XVIII has basically come to be the prototype for aviation watches: big numerals, a large crown, and a triangle at twelve. Owned by Rolex, Tudor watches give rugged simplicity. Think of it as being a best-excellent watch with the outdoorsman. Muted shades for example https://www.watchesworld.com/our-watch-picks-for-a-stylish-spring/