I agree on the 16520. And will probably add a black dialed one. In the Neo vintage world, A nice 16750 / 16760 is in my list, as well as a 16700 / 16710. Explorers? I am looking for a 16550 Black Rail Dial, but finding one in great condition is more challenging than finding a cream sibling.
In the vintage, an Explorer 6350 with a hobnail dial, a 1675 Underline / SyL, and a Double Red SD are my priorities.
You see, it never ends...
And I didn't mention the vintage Tudor I am hunting, too! 
All the best,
Nicolas