Don’t be baffled because of the “XL” moniker — this is still a modest-donning watch at 31mm large, about 41mm in length, and under 8.4mm thick. The Rolex Submariner is The most recognizable styles in watchmaking heritage. Given that the title implies the genesis from the Submariner (or "Sub") in https://www.watchesworld.com/a-guide-to-10-of-the-best-dress-watches/