Rolex also put the smaller 2232 movement in the 124200 vs the 3130 in the 114200. So the old version has a wider bracelet and the same movement as the 114060 Submariner.
The Maxi case really works with the 114200 and the wide bracelet combines to give it a substantial, vintage bubble back look but in a modern Rolex. Slimmer case and narrower bracelet 124200 won't have the same vibe at all, imho. Plus, the 2232 movement is...