.....as the subdials aren't as centrally positioned due to the larger and perfectly proportioned movement.
I also had the 3970 in my collection and find it stunningly beautiful. Unfortunately, its proportions on the wrist never completely convinced me.
I'm too poor for the 1518 and 2499 😢
The 5270G-001 was the logical solution for me. The first PCC with the in-house movement. And, in my opinion, the most versatile version, even when I like the J very much.