Installed the correct crown
The only sin left is the buckle and that will go on with the new strap ...
With all due respect none of them are period correct
The watch pre-dates the JL logo, so the crown for this model was plain / no logo. And consequently same logic applies to the buckle. Plus, the buckle you have chosen is for a much later (>1968) model, while the crown is for a 1990s one. So, in the spirit ...